Quiz about Basic Statistics Algebra II

Question 1

What is the mean?

4, 5, 6, 7, 3, 4, 10, 1

Accepted Answer

5

Answer

7

Answer

4.5

Answer

8

Question 2

Find the mode:

3.8, 4.2, 4.0, 4.2, 4.2

Accepted Answer

4.2

Answer

3.8

Answer

4.0

Answer

4

Question 3

What is the median of this data set?
3 , 17 , 17 , 11 , 8 , 13 , 5 , 18

Accepted Answer

12

Answer

11

Answer

13

Answer

17

Question 4

What is the interquartile range (IQR)?

Accepted Answer

4

Answer

64

Answer

60

Answer

8

Question 5

What value is the lower quartile?

Accepted Answer

60

Answer

66

Answer

58

Answer

64

Question 6

What is the median?

Accepted Answer

62

Answer

58

Answer

66

Answer

60

Question 7

Marco bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Marco's scores?

Accepted Answer

66

Answer

193

Answer

127

Answer

60

Question 8

What is the range of the data shown?

Accepted Answer

70

Answer

85

Answer

90

Answer

80

Question 9

What test score is the mode of Mary's data?

Accepted Answer

73

Answer

49

Answer

55

Answer

85

Question 10

How many total students are in the science class?

Accepted Answer

27

Answer

13

Answer

6

Answer

25

Question 11

Find the average of these numbers:

5, 11, 2, 12, 4, 2

Accepted Answer

6

Answer

4.1

Answer

4.5

Answer

4

Question 12

A data set can have more than one median?

Accepted Answer

False

Answer

True

Question 13

A data set can have more than one mode

Accepted Answer

True

Answer

False

Question 14

To find the average or mean of a set of numbers, add up all the items and divide by...

Accepted Answer

The number of items

Answer

2

Answer

The minimum

Answer

The maximum

Question 15

What is the range?

Accepted Answer

biggest-smallest

Answer

average

Answer

the middle #

Answer

# happening the most

Question 16

What is the mode?

Accepted Answer

# happening the most

Answer

the average

Answer

biggest - smallest

Answer

the middle #

Question 17

The mode score on the 6th grade math test was 94! Which of these interpretations must be correct?

Accepted Answer

More students received a 94 than any other score

Answer

94 was the highest score on the test.

Answer

No student scored below a 94

Answer

A score of 91 was slightly below average.

Question 18

33, 25, 42, 25, 31, 37, 46, 29, 38
What is the third quartile of the data?

Accepted Answer

40

Answer

37

Answer

38

Answer

46

Question 19

Find the median, mode and range:

3, 5, 7, 9, 11, 8, 3

Accepted Answer

median:7 mode:3 range:8

Answer

median:7 mode:9 range:8

Answer

median:6 mode:3 range:7

Question 20

What does this symbol represent?

Accepted Answer

Standard Deviation

Answer

Variance

Answer

Mean Absolute Deviation

Answer

Sigma

Question 21

To find the _________ you add up all the numbers and then divide by how many numbers you have.

Accepted Answer

Mean

Answer

Median

Answer

Mode

Answer

Range

Question 22

What is the standard deviation for the data given:

{12, 13, 29, 18, 61, 35, 21}

Accepted Answer

15.87

Answer

293.67

Answer

17.14

Answer

41.98

Question 23

Describe the shape of the graph.

Accepted Answer

Skewed right

Answer

Skewed left

Answer

Uniform

Answer

Symmetrical

Question 24

Describe the shape of the graph.

Accepted Answer

Symmetrical

Answer

Skewed right

Answer

Skewed left

Answer

Uniform

Question 25

Describe the skew

Accepted Answer

Skewed Left

Answer

Skewed Right

Answer

Symmetric

Basic Statistics Algebra II

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