Topic 8 Statistics Review

Which interval has 400 employees?

• 33-43
• 0-10
• 77-87
• 66-76

Mean:
1   2   3   4   5   6

• 2.5
• 3
• 3.5
• 4

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:

• How many siblings does each sixth grader at CJHS have?

• How many siblings do you have?

Range:
67, 74, 95, 98, 98, 99, 102

• 102
• 67
• 98
• 35

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?

Mean:
1   2   3   4   5   6

• 2.5
• 3
• 3.5
• 4

Mode:
0   1   1   2   3   4

• 1
• 2
• 3
• 4

Median:
67, 74, 95, 98, 98, 99, 102

• 102
• 67
• 98
• 90.4