Statistics Review

What is a the meaning for "median"?

• fair share
• middle
• repeats the most
• variation

What is the mode in this set of numbers:
7, 14, 20, 3, 7, 14, 2, 14, 7

• 7
• 20
• 7 & 14
• none of the above

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?

• 5
• 6
• 9
• 11

What is the range?

• average
• biggest-smallest
• the middle #
• # happening the most

What is the mode of the dot plot?

• 8
• 9
• 1
• 2

What is the range of the dot plot?

• 9
• 5
• 4
• 6

Which class did better on the Algebra test?

• Class 1
• Class 2
• Not enough information
• Can't tell

Carlos wants to know the favorite sport of people at his school so he asks his baseball team.

• Biased
• Unbiased

A public library asked every 10th person who entered to name the type of book they were getting

• Biased
• Unbiased

A hospital wants to open a gym. They ask the night-shift ER staff when they would use the gym.

• Biased
• Unbiased