Semester 2 Review

Cassie used a random sample from class A and class B to create these box plots.

Which box plot has a greater variability?

• Box plot A because it has a greater range.

• Box plot B because it has a greater range.

• Box plot A because it has a greater median

• Box plot B because it has a greater median.

There are 1,000 cans of cat food produced daily at a factory. In the meeting last week, the company stated that of the 1,000 cans produced daily there is a probability of 1/20 of being dented. What statement is TRUE related to the number of cans of cat food the company expects to be dented?

• In a five-day work week, there are about 100 cans that are dented in the factory

• The factory can expect to have an average of 190 cans dented each day at the factory.

• The factory can expect to have about 25 cans dented each week of a five-day work week.

• The factory can expect to have an average of 50 cans dented each day they are produced at the factory

The probability of a spinner landing on red is 0.15. The probability of the same spinner landing on blue is 0.45. Which statement describes the likelihood of these events occurring?

• Landing on red is more likely than landing on blue.

• Landing on blue is more likely than landing on red.

• Landing on red is equally likely as landing on blue.

• Both landing on blue and landing on red are unlikely to occur.

A 20-sided die with sides numbered 1-20 is used for a game. Which of the following events has a probability that is less than the probability of rolling a multiple of 4?

• rolling a even number

• rolling a multiple of 3

• rolling a number 5 or less

• rolling a number greater than 16

A rectangular prism gift box has dimensions of 2.5 inches, 7 inches, and 9 inches. How much wrapping paper will it take to cover the gift box? Round the answer to the nearest tenth if necessary.

• 103 in²

• 157.6 in²

• 206 in²

• 315 in²

Brian wants to determine the best date for the seventh grade carnival. He plans to survey a random sample of seventh graders to choose the best date. How can Brian select a random sample of the seventh graders in his school?

• Brian should survey all of the girls in the seventh grade.

• Brian should survey all of the football players in the seventh grade.

• Brian should survey the first class that comes to lunch based on the seventh grade lunch schedule.

• Brian could put the names of all the 7th grade students in a hat, and he could draw 25 names from the hat.

The five-number summary for two data sets is

given:

Which of the following describes the distance

between the two medians?

• 1/4 of the greater interquartile range

• 25% of the smaller interquartile range

• 2 of the smaller interquartile range

• 4 of the greater interquartile range

Approximately, what is the circumference of the

circle?

• 7.5π mm

• 15π mm

• 30π mm

• 225π mm

All of the following EXCEPT one can be used to

represent spaces for compound events?

• line graphs

• frequency table

• organized list

• tree diagrams

A marketing executive surveyed 1,000 shoppers

at a grocery store to determine the highest price

shoppers are willing to pay for a gallon of ice

cream. His data is shown in the table.

Based on the data, of 10,000 shoppers, which

BEST estimates the number of shoppers that

would be willing to pay at least $8.00 for a gallon

of ice cream?

• 120

• 219

• 1200

• 2190