Analyzing data

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

• Biased

• Unbiased

The lifeguard of a water park wants to determine which water rides are enjoyed the most so he asks every tenth person who leaves the park to list his or her three favorite rides.

• Biased

• Unbiased

What was the highest score on the math test?

• 53

• 79

• 97

• 90

What is the median of the number set?  58, 21, 74, 63, 21

• 21

• 47

• 58

• 74

A store sells loaves of bread. The table below shows the number of loaves of bread sold each day for a week. What is the difference between the mean and median number of loaves of bread sold?

• 8

• 12

• 19

• 25

5. The first 100 people at the park Thursday were asked if dogs should be off leashes in the park.

• Biased

• Unbiased

A teacher decides to survey the students in her classes to find out their opinion on the new menu in the cafeteria.  Is this biased or unbiased?

• Biased

• Unbiased

What is your favorite sport?  Ask:  people attending a soccer game

• Biased

• Unbiased

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

• Biased

• Unbiased

What is the mode of the data?

• 1 book

• 9 books

• 3 books

• 0 books