Mean, Median, and Range - Spicy

These are the test scores for two different classes. Which class has a greater median?

• 2009 class

• 2010 class

• neither

• Same

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7.4.1.1

Use the graphs of the number of students who attended after school help sessions to answer the question.

What is the difference between the mean number of students from week 1 and week 8?

• 3

• 12.5

• 13

• 16

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7.4.1.1

An athlete ran each day for the past 6 days. The range of the distances the athlete ran is 4 miles. The median of the distances is 3.5 miles. What values for day 2 and 6 are needed to have that median and range? (put a comma between the two answers)

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7.4.1.1

Which two values would give this data set a mean of 86, a median of 84, and a range of 18?

80, 82, ___, 86, ___

(enter them least to greatest)

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7.4.1.1

Matthew conducts a survey for which he collects people’s ages. The results of Matthew’s survey are shown.

    • Group 1: 40 30 20     35

• Group 2: 24 32 26 45    

 • Group 3: 20 36 36 30 36

Order the groups based on their mean.

• Group 3

• Group 1

• Group 2

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7.4.1.1

Matthew conducts a survey for which he collects people’s ages. The results of Matthew’s survey are shown.

    • Group 1: 40 30 20     35

• Group 2: 24 32 26 45    

 • Group 3: 20 36 36 30 36

What is the difference between the highest and lowest mean?

• 0.5

• 0.15

• 0.45

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7.4.1.1

Three values are missing from the data set. Given that the mode is 44, the mean is 58, the range is 44, and the data is in ascending order, find the missing values.

a

c

e

80

98

44

70

50

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7.4.1.1

You want to retake two quizzes out of the five you have taken this trimester.

Your scores on the other three were 86, 92, and 95. You want the mean to be 93. The range ends up being 12. What are possible scores to satisfy these conditions?

• 94, 98

• 92, 100

• 90, 98

• 94, 96

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7.4.1.1