Statistics Review

A student wants to know which type of pizza the students at his high school prefer. Which option would give a unbiased, representative sample:

• Asking all the students in the hot lunch line.
• Asking 10 random students from each homeroom.
• Asking every other student who gets off a school bus.
• Asking all the 10th graders.

The counselors at a camp want to conduct a survey to determine which activities campers would most like to share with their families.

Which of the following options would produce a fair and representative sample?

• Ask the first 50 people at the local supermarket to complete a survey.

• Ask every fifth camper in the arts and crafts hall to complete a survey.

• During morning roll call, ask every tenth camper to complete a survey.

• Ask all campers down at the lake to complete a survey.

Marianne wanted to know students' opinion on the new schedule at school. She survey's the first 30 students who come into her class. Which sampling method did she use?

• Convenience Sampling

• Systematic Sampling

• Random Sampling

• Volunteer response

What is the mean of the following data set:
1, 1, 3, 5, 5

• 1
• 3
• 5
• 15

What is the range of the following data set:
1, 1, 3, 5, 5

• 1
• 3
• 4
• 5

What is the mode of the following data set:
1, 1, 1, 2, 5, 9

• 1
• 2
• 5
• 9

What is the median of the following data set:

1, 4, 4, 5, 7

• 1

• 4

• 5

• 7

Based on the line plot, how many students ate 5 candy bars?

• 4

• 3

• 8

• 0

What is the median of the data represented by the Box Plot?

• 12

• 14

• 20

• 5

Fifty percent of the test scores in 2nd Period were below what score?

• 80

• 75

• 85

• 93