Statistical Questions & Mean

What is a requirement of a statistical question?

• one set answer

• a variety of answers

Choose the statistical question:

• How many sixth graders ate breakfast on Monday?

• How many sixth graders eat breakfast each school day?

Choose the statistical question:

• What time did you wake up this morning?

• What time do sixth graders wake up each morning during the school week?

Statistical questions have _____ possible answers.

• zero

• one

• only two

• two or more

What is your favorite color?

• Statistical

• Non-statistical

What is the definition of the mean?

• The average
• The middle number
• The difference between the highest and lowest numbers
• The number that occurs the most

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

• 2
• The minimum
• The maximum
• The number of items

Find the mean of these numbers:
2, 57, 38, 42, 6

• 29
• 38
• 50
• 145

Find the mean giraffe heights.

• 15

• 15.5

• 15.7

• 28.2

Find the mean of the numbers below:

4, 9, 7, 10, 5

• 5

• 6

• 7

• 8