Topic 6 Test

You want to know what students at your school would most like to attend: a professional football, basketball, or baseball game. Which sample should you choose for your survey?

• 5 of your friends

• The basketball team

• 25 random students

• The football team

You survey your 22 classmates on their favorite color. 6 choose green as their favorite color. There are 396 students at your school. Estimate the number of students in your school who would choose green as their favorite color.

• 108

• 126

• 198

• 150

Determine whether the sample is biased or unbiased.

You want to estimate the number of students in your school who are on athletic teams outside of school. You survey members of your school’s athletic teams.

• biased

• unbiased

_______ is a part of a group being surveyed.

• Sample
• Population
• Random Sample
• Quartile

_________ is a sample in which each individual or object in the entire population has an equal chance of being selected.

• Sample
• Population
• Random Sample
• Quartile

_______ is the entire group of objects or individuals considered for a survey.

• Sample
• Population
• Random Sample
• Quartile

True or False: all samples lead to a good prediction about an entire population.

• True
• False

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

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?

Hint: Put the numbers in order first!

• 24
• 36
• 39
• 52

The scores awarded to 25 students for an assignment were as follows:
4  7  5  9  8  6  7  7  8  5  6  9  8    5  8  7  4  7  3  6  8  9  7  6  9
What is  the mode?

• 6
• 7
• 8
• 9