### MATH6200 Data Analysis (Midterm)

This course reviews and expands upon core topics in probability and statistics through the study and practice of data analysis.

MATH6200 Data Analysis

### Question 1

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The quantification of data into information.

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### Question 2

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As of 2014,there are _______million of tweets a day.

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### Question 3

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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?
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The score NOT easily affected by extreme values.
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### Question 5

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The major outcome of correlation.

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### Question 6

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The following are elements in an analytic plan EXCEPT

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### Question 7

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Data is NOT information unless we add_________.

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He is someone who asks interesting questions on formal and informal theory.

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### Question 9

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Which is NOT a value of r ?
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### Question 10

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The number that occurs most frequently is called________.
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### Question 11

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The creation of a data product contains 3 components  EXCEPT

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### Question 12

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What percent of data will lie within 2 standard deviation of the mean?
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### Question 13

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He coined the term  "data scientist"

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### Question 14

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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?
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### Question 15

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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?

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### Question 16

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In the equation of the regression line represented by Y= 1.24 X + 6.9 if X=2 then Y =?
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### Question 17

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A score of 50 lies 2 standard deviations above a mean of 30.What is the value of the standard deviation?
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### Question 18

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Data involving two variables.
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### Question 19

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Example of a data product.

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### Question 20

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A negative correlation exists when___________.
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### Question 21

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The middle-most value in a ranked list of numbers.

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### Question 22

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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.

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### Question 23

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Which of the following is used as a method for Correlation?
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### Question 24

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A positive z-score means that the score is
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### Question 25

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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?
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### Question 26

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It expands available data enormously.

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### Question 27

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A data having the same number of occurrence in scores is said to be

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### Question 28

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Which is NOT a correct correlation Coefficient?

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### Question 29

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If the standard deviation of a distribution is 3.5, the variance is
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### Question 30

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It partitions a ranked data into four equal groups.

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### Question 31

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The value of X in the regression equation Y= 1.24 X + 6.9 if Y=13.1 is
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### Question 32

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It refers to the degree of relationship between two variables?
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### Question 33

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A bell-shaped distribution that is symmetric about a vertical line?
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### Question 34

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Who said that "The future is not  google-able " ?

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### Question 35

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The method of correlation used for ranked score is ________.
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### Question 36

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The equation of the _______line predicts the value of Y given X.
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### Question 37

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A graph that is used to indicate frequency distribution.

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### Question 38

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It list the percent of data in a distribution.

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### Question 39

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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?
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### Question 40

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The area of the standard normal curve to the right of z=0.82 is _______.
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### Question 41

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If there are 103 scores the median is equal to the _____ranked score.
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### Question 42

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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.

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### Question 43

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The normal distribution with a mean of 0 and standard deviation of 1.
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### Question 44

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A bell-shaped distribution that is symmetric about a vertical line.

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### Question 45

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The difference between the highest and lowest value.

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### Question 46

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A perfect positive correlation coefficient is equal to

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### Question 47

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What increases data volume?

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### Question 48

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According to Hilary Mason which is NOT a skill that a good data scientist must cultivate.

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### Question 49

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What is the value of the mean if a score of 110 is 3 standard deviation above the mean?
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### Question 50

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Which of the following is TRUE when a distribution is normal?
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