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WEEK 4

Last updated about 6 years ago

21 questions

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Question 1

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What was the secret word from the video?

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Question 21

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True or false: The first step when calculating the Mean Absolute Deviation is to find the mean

True

False

What is the second step when calculating the Mean Absolute Deviation?

Find the mean of the data

Find the mean of the distances

Find the distance each value is from the mean

What is the third step when calculating the Mean Absolute Deviation?

Find the mean of the data

Find the distance each value is from the mean

Find the mean of the distances

Find the mean of the following data:  45, 60, 75, 90, 100, 75, 90, 105

85

80

90

95

Find the mean absolute deviation when the mean is 80 for the following data:  45, 60, 75, 90, 100, 75, 90, 105

17.25

16

16.25

15

True of false - Mean is another word for average.

True

False

  Which mean absolute deviation would be more closely related?         3.4 or 6.3

3.4

6.3

Which mean absolute deviation would give a farther spread?         3.4 or 6.3

3.4

6.3

Find the mean absolute deviation for the following data:  38, 46, 52, 44, 47, 55

4.666

4.333

4.93

5

Find the mean absolute deviation for the following data:  94, 85, 73, 93, 89, 83, 79, 84

5.75

5.5

5.25

5

Find the mean absolute deviation for the following data:  35, 32, 32, 30, 30, 30, 25, 20, 9, 17

6.6

6

6.2

6.8

What range of numbers would be within one standard deviation of the mean if the average is 700 and the standard deviation is 200

500-700

700-900

500-900

300-900

What range of numbers would be within one standard deviation of the mean 42 with a standard deviation of 10?

32-62

42-52

32-42

32-52

These are Berny's test scores. Choose the score that would be within one standard deviation from the mean if the standard deviation is 8. Scores: 94, 85, 73, 93, 89, 83, 79, 84

92

71

74

94

These are Berny's test scores. Choose the score that would NOT be within one standard deviation from the mean if the standard deviation is 8. Scores: 94, 85, 73, 93, 89, 83, 79, 84

78

80

76

79

Find the mean absolute deviation for the following data:  1, 4, 2, 6, 4, 2, 5, 8

2

1

1.8

1.5

Find the mean of the following data: 12, 15, 19, 22, 14, 21, 15, 17

2.9

16.9

16

3

Find the mean absolute deviation of the following data: 12, 15, 19, 22, 14, 21, 15, 17

2.9

16.9

16

3

What is the mean of the data set: 20, 24, 20, 26, 24, 24, 24, 26, 24, 29, 26, 24

2

1.7

24.3

24

What is the mean absolute deviation of the data set: 20, 24, 20, 26, 24, 24, 24, 26, 24, 29, 26, 24

2

1.7

24.3

24