study guide for unit 5 test

What is the minimum value?

• 64
• 58
• 66
• 60

Which box and whisker plot has the smallest lower quartile (Q1)?

• Top plot
• Bottom plot

Which plot has a larger interquartile range?

• Top plot
• Bottom plot

What is the mean of these numbers?
4,5,5,2,3,3,2,8

• 40
• 24
• 4
• 256

Find the median:
3, 5, 7, 4, 3, 1

• 3 and 4
• There isn't one
• 3.5
• 3

On the semester final, Joe scored 85, Jill scored 89, and Bill scored a 99.What was the average score for these students? _________

• 91
• 273

The mode score on the 6th grade math test was 94! Which of these interpretations must be correct?

• 99 was the highest score on the test.
• More students received a 94 than any other score
• No student scored below a 50
• A score of 91 was slightly below average.

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

• 12
• 72
• 48
• 98

Biased or Random?

Isaac wants to find out the favorite foods of students at Churchill. He asks the boys’ basketball team about their favorite foods.

• Biased sample

• Random sample

Biased or Random?

Teliciah wants to determine the most popular brand of cereal in all of California. So she polls all the houses on her street to get a sample.

• Biased sample

• Random sample