Quiz about Statistics

Question 1

What is the minimum value?

Accepted Answer

58

Answer

64

Answer

66

Answer

60

Question 2

What is the maximum value?

Accepted Answer

66

Answer

58

Answer

64

Answer

60

Question 3

What data value is the upper quartile (Q3)?

Accepted Answer

64

Answer

62

Answer

66

Answer

58

Question 4

What is the median?

Accepted Answer

62

Answer

58

Answer

66

Answer

60

Question 5

Which city has a higher median?

Accepted Answer

Arcadia

Answer

Millersburg

Question 6

Which best represents the Interquartile Range

Accepted Answer

15

Answer

93

Answer

85

Answer

78

Question 7

Find the Median

Accepted Answer

85

Answer

98

Answer

93

Answer

78

Question 8

What is the range of the set of data?

Accepted Answer

70

Answer

65

Answer

80

Answer

55

Question 9

Which box and whisker plot shows more "spread out" data?

Accepted Answer

Bottom plot

Answer

Top plot

Question 10

What is the approximate difference in the interquartile ranges?

Accepted Answer

12

Answer

20

Answer

32

Answer

40

Question 11

Which is NOT in the middle 50% of data values?

Accepted Answer

11

Answer

17

Answer

15

Answer

21

Question 12

If 44 values were used for the data, about how many data values are greater than the 1st quartile?

Accepted Answer

33

Answer

11

Answer

22

Answer

128

Question 13

About 50 % of the data values are greater than what value?

Accepted Answer

15

Answer

12

Answer

22

Answer

31

Question 14

Which value is in the top 25% of the data?

Accepted Answer

29

Answer

16

Answer

22

Answer

36

Question 15

True of false, 75% of the data values are greater than 18?

Accepted Answer

False, 75% of the values are greater than 16

Answer

True

Answer

False, 50 % of the values are greater than 18

Answer

False, 25% of the values are greater than 18

Question 16

What is the interquartile range of plot A?

Accepted Answer

8

Answer

6

Answer

15

Answer

28

Question 17

If I want to make sure I have data in the top 50% of plot A, I should make sure to pick a number greater than what amount?

Accepted Answer

14

Answer

30

Answer

18

Answer

22

Question 18

If plot B has 60 numbers in it, about how many are in the box?

Accepted Answer

30

Answer

15

Answer

60

Answer

120

Question 19

Find the Median of the data set

Accepted Answer

86

Answer

82

Answer

88

Answer

92

Question 20

What is the median of the following data set?

25, 42, 36, 12, 19

Accepted Answer

25

Answer

36

Answer

39

Answer

26.5

Question 21

What is the mode of the following data set?

2, 4, 6, 8, 7, 9

Accepted Answer

no mode

Answer

2, 4, 6, 7, 8, 9

Answer

4

Answer

6

Question 22

What is the mean of the following set of data?

2, 6, 10, 31, 14, 8

Accepted Answer

11.8

Answer

71

Answer

12

Answer

14.2

Question 23

Roger has the following data:

12, 10, 3, 5, 6

Susan has the following data:

5, 9, 4, 5, 6

Who has the data with the highest median and what is it?

Accepted Answer

Roger - 6

Answer

Susan - 7

Answer

Roger - 8

Answer

Susan - 5.5

Question 24

Is there an outlier in the follow set of data?

24, 36, 19, 28, 65, 32

Accepted Answer

Yes, 65

Answer

Yes, 19

Answer

No

Question 25

How many scores are listed in this Stem and Leaf Plot?

Accepted Answer

18

Answer

3

Answer

6

Answer

9

Question 26

What is the range of the data shown in the stem and leaf plot?

Accepted Answer

56

Answer

40

Answer

136

Answer

96

Question 27

In how many games did the team score more than 20 points?

Accepted Answer

7

Answer

8

Answer

10

Answer

9

Question 28

What is the median of the scores?

Accepted Answer

17

Answer

21

Answer

16

Answer

19

Question 29

What is the mode of the scores?

Accepted Answer

24

Answer

14

Answer

34

Answer

30

Question 30

What is the difference between the shortest and the longest distance of the baseball thrown?

Accepted Answer

85 feet

Answer

1,005 feet

Answer

82 feet

Answer

80 feet

Question 31

Each dot represents 1 day. How many days were recorded?

Accepted Answer

20

Answer

9

Answer

21

Answer

105

Question 32

How many trouts weighed MORE THAN 450 grams?

Accepted Answer

11

Answer

8

Answer

14

Answer

10

Question 33

How many students got a perfect score on the test?

Accepted Answer

2

Answer

0

Answer

6

Answer

1

Question 34

How many students scored more than 80%?

Accepted Answer

13

Answer

10

Answer

7

Answer

15

Question 35

A florist records the amount of money he spent on gasoline each week to deliver orders. The list shows the data for 16 weeks.
32, 38, 40, 44, 44, 46, 49, 53, 55, 58, 62, 65, 68, 70, 72, 81
He put the data in a stem-and-leaf plot. What number did he leave out of the stem-and-leaf plot?

Accepted Answer

44

Answer

32

Answer

65

Answer

81

Question 36

In how many games did the team score fewer than 10 points?

Accepted Answer

3

Answer

5

Answer

4

Answer

6

Question 37

How many games did the team play?

Accepted Answer

15

Answer

12

Answer

24

Answer

14

Question 38

Find the 5 number summary:

0, 1, 3, 4, 9, 19, 22, 31, 32, 37, 39, 42, 43

Accepted Answer

0, 3.5, 22, 38, 43

Answer

0, 4, 22, 39, 43

Answer

0, 3, 22, 38.5, 43

Answer

0, 4, 31, 39, 43

Question 39

Find the 5 number summary:

4, 11, 12, 13, 14, 18, 32, 40, 44, 50

Accepted Answer

4, 12, 16, 40, 50

Answer

4, 11, 16, 40, 50

Answer

4, 11.5, 16, 40.5, 50

Answer

4, 13, 16, 44, 50

Question 40

Find the 5 number summary:

2, 5, 15, 16, 17, 22, 28, 42, 43, 44, 47

Accepted Answer

2, 15, 22, 43, 47

Answer

2, 17, 22, 44, 47

Answer

2, 15, 22, 42, 47

Answer

2, 15, 22, 44, 47

Question 41

Find the 5 number summary:

3, 24, 25, 26, 27, 33, 34, 36, 37

Accepted Answer

3, 24.5, 27, 35, 37

Answer

3, 26, 27, 35, 37

Answer

3, 26, 27, 37, 35

Answer

3, 25, 27, 36, 37

Question 42

Describe the data distribution shape of the graph.

Accepted Answer

Skewed left

Answer

Skewed right

Answer

Uniform

Answer

Symmetrical

Question 43

Describe the histogram:

Accepted Answer

Right Skewed

Answer

Left Skewed

Answer

Symmetrical

Answer

Uniform

Question 44

Which of the following best describes the shape of the distribution?

Accepted Answer

SYMMETRICAL

Answer

SKEWED LEFT

Answer

SKEWED RIGHT

Answer

UNIFORM

Question 45

When using IQR to find outliers, which formula will identify the lower limit?

Accepted Answer

Q1 - 1.5(IQR)

Answer

Q3 - 1.5(IQR)

Answer

Q1 + 1.5(IQR)

Answer

Q3 + 1.5(IQR)

Question 46

A value that is much higher or much lower than the other values in a set of data.

Accepted Answer

Outlier

Answer

Box Plot

Answer

Range

Answer

Histogram

Question 47

Which value(s) are outlier(s) for the age of male Oscar winners?

Accepted Answer

76

Answer

80

Answer

60

Answer

29

Question 48

The salaries of the employees in a company are listed below:

$28,000 $45,000

$31,000 $42,000

$55,000 $72,000

$88,000 $53,000

If $88,000 was found to be an outlier, which salary would be the new maximum?

Accepted Answer

$72,000

Answer

$55,000

Answer

$28,000

Answer

$88,000

Question 49

The data set below has an outlier of 42.
2, 5, 12, 15, 19, 4, 6, 11, 16, 18, 12, 12, 42
What effect does removing the outlier have on the distribution of the data?

Accepted Answer

The mean will decrease

Answer

The median will decrease

Answer

The mean will increase

Answer

The median will increase

Question 50

The prices at several different stores for a pair of shoes are shown below.
$78, $79, $81, $82, $83
Two days later, another store has the same shoes on sale for $65. How does the new price affect the data?

Accepted Answer

The mean decreased and the range increased.

Answer

Only the range was affected.

Answer

The median increased, and the range increased.

Answer

The mean increased, and the range increased.

Statistics

50 questions

What is the minimum value?

What is the maximum value?

What data value is the upper quartile (Q3)?

What is the median?

Which city has a higher median?

Which best represents the Interquartile Range

Find the Median

What is the range of the set of data?

Which box and whisker plot shows more "spread out" data?

What is the approximate difference in the interquartile ranges?

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