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