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The process of inspecting, cleansing, and modelling data with the goal of discovering useful information, informing conclusions, and supporting decision-making.
On an examination given to 1000 students, Jef’s score of 80 was higher than the score of 480 students who took the exam. What is the percentile for Jef’s score?
What range of values 3 SD below and above the mean in a normal distribution if the mean is 10 and standard deviation is 2?
Empirical rule for a normal distribution lie ______% of data with 1 standard deviation below and above the mean.
Which of the following is the transpose of B?
The following are abstract notions EXCEPT
The sets A= { x/x is a distinct letter in the word "MATHEMATICS"} and B={x/x is a distinct letter in the word "STATISTICS"} , the two sets are
It partitions a ranked data into four equal groups.
The term "analysis of algorithms" was coined by
The most frequent score.
The method that does not require the assumption that parameters are normally distributed.
Another term for variability.
It includes identifying groups of data records.
It is a language that we say things about the world.
It is a variety of formal calculation typically deduction.
A distribution where large distribution are displayed.
What does ROC mean?
A matrix that has the same number of rows and columns is called
What range of values lie between 3 standard deviations above and below the mean if the mean is 80 and the standard deviation is 3?
The score easily affected by extreme values is the _________.
It refers to the degree of relationship between two variables?
The classification table that XL Stat can display.
The developer of farmville, a famous game in the internet.
It is a process that goes on internally while most things it wishes about exists only externally.
Which of the following is NOT a goal in data mining?
A negative correlation exists when___________.
Which is NOT a basic representation technology?
Which is NOT a correct correlation Coefficient?
How many bytes of data are generated every two days in today's world?
What is KR?
Which of the following is a predictive data mining technique?
What is the value when it is 2 standard deviations above the mean in a normal probability distribution?
The most widely used continuous probability distribution.
It is a process of finding the computational complexity of algorithms.
He coined the term "data scientist"
Which of the following does not use discrete distribution ?
It is a theoretical classification that estimates and anticipates the increase increase in running time for algorithms.
It makes complex data more understandable and usable.
The product of a 2x5 and 5x3 matrices is a ______matrix
It is a powerful tool that shows the network of data.
If the standard deviation of a distribution is 3.5, the variance is
It sees the medical world as made of empirical associations connecting symptoms to diseases.
PAW means____________.
It is often used as a model of the number of arrivals at a facility in a given period of time.
If in a distribution all scores are distinct then_____________.
What is the value of the mean and standard deviation in a normal probability density function?
Which pair belongs to the same family of models called GLM ? i) logistic ii) linear regression iii.) multinomial regression iv)probability
Which is an example of a discrete random variable?
What increases data volume?
A vegetable distributor knows that during the month of August ,the weights of tomatoes are normally distributed with a mean of 0.61 lb and a standard deviation of 0.15 lb. What percent of the tomatoes weigh less than 0.71 lb?
What conditions must be satisfied in the development of a probability function for a discrete random variable? a. must be nonnegative b.sum of the probabilities for each value must be equal to 1. c. may assume any value d.assumes specific values
The constant multiplicative factor in which algorithms are related are_______ constants.
Which of the following is TRUE?
it is a perfect software for machine learning.
It shows a high correlation between the incidence of flu and searches about flu on google.
What is the size of the product of a 5x 6 and a 6x 8 matrices?
A survey of 100 consumers said that the price charged for a kilo of rice could be approximated by a normal distribution with a mean of 35 and a standard deviation of 4.How many of them lie between 27 and 43?
What is a great example of data product?
3A + B
A survey of 100 consumers said that the price charged for a kilo of rice could be approximated by a normal distribution with a mean of 35 and a standard deviation of 4.How many are less than 39?
In 2,4,4,4,5,5,6,8,9 the range is
It allows you to see which value of the explanatory variable corresponds a given probability success.
It has the goal of discovering useful information to support decision making.
Which of the following is TRUE?
The quantification of data into information.
What is a data structure that has a fixed size?
If there are 103 scores the median is equal to the _____ranked score.
Positive correlation means that_______________.
The following are continuous distributions EXCEPT
A model that corresponds to the case where the dependent variable has more than two categories.
It enables the performance of a model and enables a comparison to be made with other models.
The following are elements in an analytic plan EXCEPT
It includes identifying groups of data records
The intersection of the two sets A={ 2,3} B={4,5} is a
To estimate the parameters of the model ,the ________function is maximized.
It is a numerical function of the outcome of a statistical experiment.
The proportion of well defined negative events is called ________________.
Data is NOT information unless we add_________.
_____________ includes identifying groups of data record.
SBC means_________
He is someone who asks interesting questions on formal and informal theory.
What programming language is used in Rapid miner?
What technique can be used to measure an algorithm's running time?
It involves a commitment in viewing the world in terms of individual entities and relations between them.
It assigns a cost to every machine operation.
A special type of function where the domain is a set of consecutive integers.
It is a collection of machine learning algorithms for data mining task.
Null strings are indicated by
The major outcome of correlation.
It is a theoretical classification that estimates and anticipates the increase in running time (or run-
The following are discrete distributions EXCEPT
The most common functions used to link probability to the explanatory variables are the LOGIT model and ________model.
Addition and subtraction of matrices only is possible if two are more matrices.
Which of the following is used as a method for Correlation?
The range in R={ (3,3), (3,6), (5,5),(5,10),(6.12)} is a binary relation in R is
The following are the 3V's of big data EXCEPT
Who said that "The future is not google-able " ?
ML means:
It extracts meaningful numerical indices from information and make it available to statistical and machine learning.
What is the shape of a normal probability distribution?
It refers to a data structure that grows and shrinks at execution time.
What is the size of the product of a 5x 6 and a 6x 8 matrices?
It refers to well based theories and sound business judgement.
A bell-shaped distribution that is symmetric about a vertical line.
It is used for prototyping in Rapid miner.
In the equation of the regression line represented by Y= 1.24 X + 6.9 if X=2 then Y =?
Which is Not an interaction data?
Refers to using tools of statistics to present data visually.
If A={ 2,3} B={4,5},which of the following is a Cartesian product of the two sets?
Matrix B is
It is a module in rapid miner that considers the workflow.
It relates the length of an algorithm to the number of storage location it uses.
It views the world in terms of attribute -object value triples
An example of an abstract computer.
In α =babaa β =a^6b^5bb, what is the length of the concatenation of the two strings?
It is used to discover patterns in large data sets
Algorithm analysis is an important part of a broader_____________.
Which of the following pertains to predictive data mining technique?
It is used in organization’s strategic and tactical business decision making.
The following are artifacts used in data analysis EXCEPT:
Displays the performance of a model and enables a comparison to be made with other models.
If the standard deviation of a distribution is 3, the variance is
The number that occurs most frequently is called________.
It is a variety of formal calculation typically deduction.
What is the process of deriving useful information from text?
Which of the following statements is TRUE?
The value of X in the regression equation Y= 1.24 X + 6.9 if Y=13.1 is
A vegetable distributor knows that during the month of August ,the weights of tomatoes are normally distributed with a mean of 0.61 lb and a standard deviation of 0.15 lb. How many can be expected to weigh more than 0.31 lb in a shipment of 6000 tomatoes.
The creation of data from varied sources and its quantification into information.
AUC means___________.
Which is usually denoted as n in algorithms?
The method that does NOT require t he assumption that the parameters are normally distributed.
The goal is to transform raw data into understandable business information.
Which of the following is NOT a method used in data analysis?
Which of the following is NOT a data mining tool?
The score NOT easily affected by extreme values.
If A= { x/x is a distinct letter in the word "MATHEMATICS"} AND B={x/x is a distinct letter in the word "STATISTICS"} then their intersection is
It views the world in terms of attributes object value triples.
IOT means
A bell-shaped distribution that is symmetric about a vertical line?
It offers a way to examine trends from collected data and derive insights from it.
Which is NOT a measure of variability?
Two of the most widely used discrete probability distribution.
Which of the following is TRUE when a distribution is normal?
Which is a concatenation of α =babaa β =a^6b^8a which is α β ?
There are how many data mining techniques?
Lists the percent of data in each distribution.
_____________ is rated as the number one business analytics software.
The two sets If A={ 2,3} B={4,5} are said to be
Example of a data product.
It is a method for discovering patterns in large data sets.
The _______value is the weighted average of the value the random variable may assume.
Data involving two variables are called _________data.
A score of 3 in 2,4,4,4,5,5,6,8,9 is
If R={ (3,3), (3,6), (5,5),(5,10),(6.12) is a cartesian product of sets X and Y and x= {3,5,6} then Y=?
Another term for text analytics.
It provides the height or the value of the function at any particular value of x
The creation of data from varied sources and its qualification into information.
Which function provides the value of a function at any particular value of x but does NOT directly give the probability of the random variable?
What is the value of the mean in a normal probability density function?
The standard deviation for the data in 2,4,4,4,5,5,6,8,9
A distribution with 4 modes is said to be a _________distribution.
It transforms data into actionable intelligence for business purposes.
Another term for an empty set.
Which of the following type of text is processed in text analytics?
KR as a _________is a substitute for the thing itself.
The proportion of a well-defined classified positive events.
The following provided inspirations of what constitutes intelligent reasoning EXCEPT
Which is NOT a component of KR?
The method of correlation used for ranked score is ________.
What is value of quartile 3 in 2,4,4,4,5,5,6,8,9 ?
It is a numerical description of the outcome of a statistical experiment.
What is an organized collection of information and set of information used to manage that operation?
Which of the following algorithms is the fastest?
Which of the following belong to the GLM?
The classification table that XLSTAT can display
The equation of the _______line predicts the value of Y given X.
A data having the same number of occurrence in scores is said to be
It is often used as model of of the number arrivals at a facility in a given period of time.
KR is a set of __________commitments.
___________ uses artifacts to present data visually.
It views the world in thinking of prototypical objects.
These are the data skills that a good data scientist need to cultivate EXCEPT
LR means ________________________.
What percent of data will lie within 2 standard deviation of the mean?
Classification table is also called ________
The function describing the performance of an algorithm is usually an upper bound determined from ______inputs.
He said that “ In mathematics the art of proposing a question must be held of higher value than solving it”.
The person who said that “ The future is not google-able”.
ROC means
The process of inspecting,cleansing,transforming and modelling data with the goal of discovering useful information.
The middle-most value in a ranked list of numbers.
Primarily used for data pre-processing.
What is the value of the standard deviation in a standard normal distribution?
The proportion of a well-classified negative event.
The difference between the highest and lowest value.
Which of the following data mining techniques is predictive?
Which is not a measure of central tendency?
The following are distinct roles that KR plays EXCEPT
Which of the following is a discrete distribution?
Which of the following is NOT a module in rapid Miner?
A vegetable distributor knows that during the month of August ,the weights of tomatoes are normally distributed with a mean of 0.61 lb and a standard deviation of 0.15 lb. How many can be expected to weigh between 0.31 to 0.91 in a shipment of 4500 tomatoes.
GLM means_____________.
The following processes are used in data analysis EXCEPT:
It refers to a frequently used method as it enables binary or polytomous variables to be modelled.
It is popular among financial data analysts.
It expands available data enormously.
He proposed the use of a penalized likehood function.
A network purpoting to describe family memberships.
Which of the following is a continuous distribution?
What is the mean for a standard normal distribution?
A positive z-score means that the score is
What programming language doe Orange use?
What is the value of the mean if a score of 110 is 3 standard deviation above the mean?
A score of 50 lies 2 standard deviations above a mean of 30.What is the value of the standard deviation?
As of 2014,there are _______million of tweets a day.
It is a free software programming language.
The distribution 2,4,4,4,5,5,6,8,9 is said to be
The creation of a data product contains 3 components EXCEPT
It relates the length of an algorithm’s input to the number of steps it takes.
What type of text are processed in Text analytics?
Which is NOT a basic representation technologies?
It list the percent of data in a distribution.
The score NOT easily affected by extreme values.
A graph that is used to indicate frequency distribution.
A bell shaped curve that is symmetric about a vertical line.
The symbol used to indicate strings with no elements.
Running time for algorithms is usually measured in
What is the earlier name for data science?
KR means __________________________.
It sees a set of prototypes in particular prototypical diseases to be matched against the case at hand.
Data involving two variables.
The integral of all the values of a random variable in a probability density function is equal to______.
It is used to enable an entity to determine consequences by thinking rather than acting.
Which pair belongs to the same family of models called GLM? i) logistic ii) linear regression iii.) multinomial regression iv)probability
It sees a set of prototypes in particular to be matched to cases at hand
Exabyte means ________bytes
The explosion of _______data is the main reason why every 2 days 5 exabytes of data are generated.
It expands available data enormously since there is so much more text being generated than numbers.
Empirical rule for a normal distribution that is 3 standard deviations above and below the mean covers ______% of the data.
What is the value of the mean if a score of 110 is 3 standard deviation above the mean?
On an examination given to 1000 students, Jef’s score of 80 was higher than the score of 480 students who took the exam. What is the percentile for Jef’s score?
The following provided inspirations of what constitute intelligent reasoning EXCEPT
Empirical rule for a normal distribution that is 2 standard deviations above and below the mean is ________% of data.
The proportion of a well defined positive event is called _________________.
Any way to get new expressions from old ones.
A frequently used method as it enables binary variables, sum polytomous variable to be modelled.
A network purpoting to describe family memberships.
What is the focus of data science?
The most commonly used continuous probability distribution.
The following are data mining techniques EXCEPT:
The normal distribution with a mean of 0 and standard deviation of 1.
3A + B =
The following are softwares used in data mining EXCEPT
If there are 101 scores the median is equal to the _____ranked score.
If R= { (3,3), (3,6), (5,5),(5,10),(6.12)} is a binary relation in R which the domain is
Which of the matrices is singular?
A positive z-score means that the score is
According to Hilary Mason which is NOT a skill that a good data scientist must cultivate.
He coined the term “analysis of algorithms”.
An algorithm is said to be efficient when its function values are
The normal distribution with a mean of 0 and standard deviation of 1.
Which is NOT a KR technology?
The method used to iteratively find a solution to a multinomial legit model.
All representations are ________.
It involves a commitment in viewing the world in terms of individual entities and relations.
What does GLM means?
A graph used to indicate intervals in a frequency distribution is refereed to as a______________.
A perfect positive correlation coefficient is equal to
Earlier name for data science.
Which is NOT a value of r ?
It does NOT require the assumption that the parameters are normally distributed.
The most common function used to link probability to explanatory variables.
Algorithms are independent of its
The area of the standard normal curve to the right of z=0.82 is _______.
It corresponds to the case where the dependent variable has more than 2 categories.
What is the correct meaning of ADT?
The following are large inputs EXCEPT
Which belong to the GLM family?
Which of the following is a set equal to the distinct letters of the word "MISSISSIPI"?
The expected value or mean of a random variable in discrete case.
Matrix B is
He pointed out that until 2003 ,all of mankind had generated just 5 exabytes of data
Which of the following does NOT use continuous distribution?
An array is a good example of _________data structure.
ROC comes from ______theory.
_______________ is a data structure that every component has a unique processor and succesor.
Which is primarily written in C and in Fortran?
Which is NOT a characteristic feature of data structure?
“ All models are wrong but some are useful “
It is a perfect software which is written in Python computing language.
A new phenomenon for the explosion of _________data
Time needed to execute an algorithm is a function of its________.
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