Tech Math Semester Exam

What is the mode?

• the number which occurs the most

• the average

• the difference between the largest and smallest values

• the middle number

What is the mean?

• the number which occurs the most

• the number in the middle

• the difference between the largest and the smallest number

• the average

A data set can have more than one median.

• True

• False

Find the range.
5, 15, 10, 20, 15, 10, 15

• 5
• 10
• 15
• 13

The number of miles that Jenna cycled each week for a 7-week period is shown: 
36, 42, 28, 52, 48, 36, 31 
What is the median number of miles Jenna cycled?

• 24
• 36
• 39
• 52

Find the mode:

67, 74, 95, 98, 98, 99, 102

• 90.4

• 35

• 92

• 98

Find the median of these numbers:
4,2,7,4,3

• 2
• 5
• 7
• 4

What is the definition of the range?

• The average
• The number that occurs the most
• The middle number
• The difference of the largest and smallest numbers

Lizzy had test scores of:   72, 94, 108, 60
What is the RANGE of her test scores?

• 12
• 72
• 48
• 98

Dr. Dre is a dentist. He needs to report on the average number of cavities that his patients have.

He records the cavities of the patients he sees in one day:

1, 0, 1, 5, 6, 3, 4

What should he report as the average?

• 3.33

• 2.85

• 3

• 3.5