Statistics and Data Review

The Thompson Family has a garden in their backyard. They take the produce each week to a local farmers market. Which of the following statements best represents the data?

• Berries are the most preferred plant.

• The number of tomato and pepper plants is greater than the number of lettuce plants.

• One-fourth of the plants are berries.

• The number of tomato plants is half the number

  of lettuce plants.

A random sample of 40 students from each grade level was surveyed regarding their preference for a class field trip. If there are 220 members of the 7th grade class, then how many students can be expected to prefer the zoo?

• 39

• 48

• 120

• 66

The Thompson Family has a garden in their backyard. They take the produce each week to a local farmers market. The Thompson Family decides to plant a total of 180 plants in order to prepare for a larger regional farmers market. Based on the sample, how many berry plants should the Thompson family plant?

What is the interquartile range?

• 4

• 6

• 2

• 8

What is the MEDIAN of this set of data?

• 5

• 7

• 8

• 9

What is the probability of spinning red?

• 0

• 5/12

• 1/2

• 3/4

Find the experimental probability of spinning Letter Q.

• 15/35

• 15/50

• 31/4

• 7/10

McKinley will spin the spinner 80 times.  How many times do you expect it will land on E.

• 3

• 30

• 24

• 42

The student body president is conducting a survey to see if students would like having school uniforms. She puts all the students' names in a hat and pulls 50 names.

What type of sampling method did she use?

• random

• biased

What is the highest score in the class?

• 88%

• 100%

• 13

• 98%