Data and Statistics Math

What is the LE/min and UE/max of the following data:

15, 20, 5, 10, 2, 3, 19, 7, 11

• 2, 15

• 3, 19

• 2, 20

• 0, 100

Which of the following is a population?

• 7th grade girls at Schroeder

• 7th grade boys at Schroeder

• Teachers at Schroeder

• All students at Schroeder

What is the interquartile range of 2nd Periods test scores?

• 12

• 9

• 15

• 80

Is there an outlier in the follow set of data?

• Yes, 19

• No

• Yes, 65

What is the upper quartile(Q3) for both 1st Period and 2nd Period?

• 80, 85

• 90, 85

• 100, 95

• 90, 92

What is the range of the follow set of data:

• 67

• 43

• 68

• 56

How do you find the range of a set of data?

• Find the middle number

• The number that appears the most

• Add all the numbers up and divide them by the total amount of numbers

• The highest value minus the lowest value

The food service manager at a school conducted a random survey of students to determine their preference for new lunch menu items. Select ALL the inferences that can be drawn from the manager's data.

• About twice as many students prefer pita sandwiches as those who prefer burritos.

• Burritos are the most preferred item.

• Almost half of the students preferred pita sandwiches

• About half as many students prefer the salad bar as those who prefer burritos.

• Twice as many students prefer pizza as those who prefer pita sandwiches.

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7.SP.2

A random survey of seventh- and eighth-grade students was conducted to find how many hours they spent reading per week. Of the two sets of data, which has the greater median?

• 7th grade

• 8th grade

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7.SP.3

Compare the interquartile ranges of the data sets.

• The interquartile range of both sets is equal to 1 hour.

• The interquartile range for the eighth-graders is greater than the interquartile range for seventh-graders.

• The interquartile range for seventh-graders is greater than the interquartile range for eighth-graders.

• The interquartile range for seventh-graders is equal to the interquartile range for eighth-graders.

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7.SP.3