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