Deck 3: Data Description

Question 1

Find the median for the following data set: 25 20 24 14 10 15

A) 15
B) 18.0
C) 5.4
D) 17.5

Answer 1

D

Question 2

Find the mean for the following data set: 32 15 29 15 25

A) 23.2
B) 17
C) 15
D) 25

Answer 2

A

Question 3

Find the median for the following data set: 21 12 31 27 15

A) 21
B) 19
C) 21.2
D) 7.1

Answer 3

A

Question 4

Find the median for the following data set: 27 22 25 10 10 16

A) 19
B) 10
C) 18.3
D) 17

Question 5

Find the median for the following data set: 27 21 15 25 15

A) 12
B) 21
C) 15
D) 20.6

Question 6

Which of the following is the properly rounded mean for the given data? 7, 8, 13, 9, 10, 11

A) 10
B) 9.67
C) 9
D) 9.7

Question 7

What is the mean of the following data set? 4, 8, 11, 12, 13

A) 11.0
B) 14.4
C) 7.0
D) 9.6

Question 8

For the data set 1, 8, 7, 2, 9, 15, 18, the properly rounded mean is 9.

Question 9

Find the median for the following data. 6, 7, 4, 5, 3, 7, 4

A) 7
B) 3
C) 4
D) 5

Question 10

What is the median of the following data set? 6, 9, 13, 14, 18

A) 12
B) 14
C) 13
D) 16

Question 11

What is the median of the following set of values? 10, 8, 5, 3, 14

A) 5
B) 7
C) 9
D) 8

Question 12

Find the mode for the following data set: 10 30 10 36 26 22

A) 10
B) 26
C) 22.3
D) 24

Question 13

Find the mode for the following data set: 19 10 23 20 10

A) 19
B) 13
C) 16.4
D) 10

Question 14

Find the mean for the following data set: 13 15 21 20 22

A) 3.5
B) 20
C) 9
D) 18.2

Question 15

Find the mean of the following data set? 10, 5, 8, 3, 14

A) 7.0
B) 9.0
C) 5.0
D) 8.0

Question 16

What is the median of the following set of values? 2, 16, 14, 10, 14, 9, 10, 14

A) 14
B) 12
C) 8
D) 10

Question 17

Find the mean for the following data set: 28 25 23 34 14 14

A) 20
B) 24
C) 23.0
D) 14

Question 18

Find the mode for the following data? 5, 4, 3, 4, 5, 6, 5, 5, 3, 4

A) 4
B) 5
C) 3
D) 6

Question 19

What is the mode of the following data set? 5, 19, 17, 13, 17, 15, 12

A) 11
B) 17
C) 13
D) 15

Question 20

Find the mean for the following data set: 25 24 21 13 14 15

A) 12
B) 18
C) 18.7
D) 4.9

Question 21

The number of police officers in selected city districts is listed below. Find the mode. 24, 26, 24, 30, 23, 28, 19, 31, 24, 26, 19

A) 28
B) 24
C) 26
D) 23

Question 22

git.

A) 12.3
B) 14
C) 13.3
D) 13.8

Question 23

A report states that the mean household income last year for a certain rural county was $55,300 and the median was $62,800. If a histogram were constructed for the incomes of all
Households in the county, would you expect it to be skewed to the right, to the left, or
Approximately symmetric?

A) skewed right
B) skewed left
C) approximately symmetric

Question 24

A) 28
B) 26
C) 26.9
D) 24.6

Question 25

Question 26

is the

A) 16 thousand
B) 20.2 thousand
C) 19 thousand
D) 21.5 thousand

Question 27

A) $41.88
B) $35.88
C) $130.84
D) $37.40

Question 28

A) Moose Tracks
B) Chocolate Chip
C) Vanilla
D) Rocky Road

Question 29

A) 10.80
B) 5.55
C) 5.95
D) 5.69

Question 30

nes digit.

A) 26
B) 28
C) 21.2
D) 24.6

Question 31

oint

A) 1.90
B) 2.52
C) 2.40
D) 2.13

Question 32

A) $10.11
B) $68.69
C) $78.90
D) $68.79

Question 33

d the

A) 25
B) 35
C) 36
D) 38

Question 34

A) 5.7 inches
B) 70 inches
C) 80.5 inches
D) 81.2 inches

Question 35

A) $37.70
B) $26.11
C) $60.14
D) $36.67

Question 36

A) 12.6
B) 14
C) 14.1
D) 20.7

Question 37

is the

A) 18.0 thousand
B) 10 thousand
C) 17 thousand
D) 18.5 thousand

Question 38

Find the mode for the following data set: 33 28 22 11 11 17

A) 20.3
B) 22
C) 11
D) 19.5

Question 39

elationship

Question 40

What is the midrange of the following data set? 5, 11, 10, 12, 4, 12, 18, 18, 18

A) 12
B) 18
C) 5
D) 11

Question 41

A characteristic or measure obtained by using all the data values for a specific population is called a .

A) statistic
B) mode
C) parameter
D) variable

Question 42

A data set contains three unique values. Which of the following must be true?

A) mean = median = midrange
B) median = midrange
C) mean = median
D) none of these

Question 43

A) 15
B) 16
C) 13
D) 17

Question 44

Determine the range for the following data set. 6, 19, 10, 8, 26

A) 10
B) 20
C) 26
D) 6

Question 45

The is the mode for grouped data.

Question 46

The variance of a data set is the square root of the standard deviation.

Question 47

A student has an average of 78 on seven chapter tests. If the student's scores on six of the tests are 72, 82, 84, 66, 68, and 89, what was the score on the remaining test?

A) 85
B) 78
C) 96
D) 77

Question 48

The median can be a more appropriate measure of central tendency if the distribution of
the data is extremely skewed.

Question 49

A distribution in which approximately 68% of the data values fall within one standard deviation of the mean behaves according to

A) the empirical rule.
B) a boxplot.
C) differential statistics.
D) a symmetrical distribution.

Question 50

A) the median and the mode are the same, but the mean can be different.
B) the mean, the median, and the mode are the same.
C) the mean is the same as the median, but the mode can be different.
D) the mean, the median, and the mode are different.

Question 51

Determine the range for the following data set. 4, 7, 3, 16, 5, 22, 8

A) 4
B) 14
C) 3
D) 19

Question 52

The coefficient of variation for a data set is the mean divided by the standard deviation,
expressed as a percentage.

Question 53

A is the midpoint in a data array.

Question 54

The and are two measures of variation
used to describe the spread of the data in a data set.

Question 55

A weighted mean is used when the values of the data set are not all equally represented.

Question 56

identifies a minimum percentage of the data points that fall
within a certain distance of the mean, and it applies to any distribution regardless
of its shape.

Question 57

Chebyshev's theorem can be used to find the minimum percentage of the values in a data
set that will fall within a certain distance of the mean.

Question 58

The range of a data set is the difference between the highest value and the lowest value.

Question 59

The is the average of the squares of the distance each value is
from the mean.

Question 60

A) 34
B) 36
C) 40
D) 37

Question 61

A) 29.5
B) 872.6
C) 29.3
D) 857.0

Question 62

Find the population variance for the following data set: 26 28 16 23 20

A) 18.2
B) 22.8
C) 12
D) 4.8

Question 63

The grades for the trigonometry exam are listed below. Find the range. 85, 76, 93, 82, 84, 90, 75

A) 76
B) 11
C) 18
D) 9

Question 64

Find the range of the set of values 4, 13, 3, 10, and 5.

A) 8
B) 13
C) 10
D) 3

Question 65

A) 183.3
B) 180.6
C) 13.4
D) 13.5

Question 66

Find the sample standard deviation for the following data set: 25 13 31 33 20

A) 53.4
B) 66.8
C) 7.3
D) 8.2

Question 67

A) 502.2
B) 22.6
C) 22.4
D) 512.0

Question 68

The average resident of Metro City produces 570 pounds of solid waste each year, and the standard deviation is approximately 70 pounds. Use Chebyshev's theorem to find the
Weight range that contains at least 75% of all residents' annual garbage weights.

A) Between 360 and 780 pounds
B) Between 430 and 710 pounds
C) Between 500 and 640 pounds
D) Between 290 and 850 pounds

Question 69

A) 6
B) 18
C) 80.4
D) 5.8

Question 70

A) $11.39
B) $33.72
C) $141.73
D) $11.10

Question 71

What is the range of the set of values 5, 8, 3, 9, and 17.

A) 20
B) 8
C) 14
D) 5

Question 72

A paint manufacturer discovers that the mean volume of paint in a gallon-sized pail is gallon with a standard deviation of 0.05 gallons. The paint volumes are approximately
Bell-shaped. Estimate the percent of pails with volumes between 0.95 gallons and 1.05
Gallons.

A) 68%
B) 32%
C) 95%
D) almost all (greater than 95%)

Question 73

Find the sample variance for the following data set: 25 20 19 15 31

A) 16
B) 38
C) 6.2
D) 30.4

Question 74

For a set of data with a mean of 6 and a variance of 9, approximately 68% of the values
will fall between 3 to 9.

Question 75

A) 28.5
B) 795.9
C) 810.4
D) 28.2

Question 76

.

A) 5.6
B) 31.0
C) 28.8
D) 5.4

Question 77

The average age of Stokes County school board members over the last 40 years has been 46, but members have ranged from 29 to 67. Use the range rule of thumb to estimate the
Standard deviation of the members' ages.

A) 9.5
B) 24
C) 47.3
D) 19

Question 78

A) 10.0
B) 10.4
C) 10.1
D) 6.2

Question 79

.

A) 77.7
B) 4.2
C) 17.6
D) 4

Question 80

Find the population standard deviation for the following data set: 20 18 15 12 24

A) 17
B) 4.6
C) 21.2
D) 4.1