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