Question

MEDAL AND FOLLOW

Answer 1

Question 18 (Multiple Choice Worth 3 points)

[8.06] MA.7.S.6.2

Which of the following is a list of the stems for the stem-and-leaf plot of the data set twelve, nineteen, twenty-one, thirteen, twenty-eight, twelve, fourteen, twenty-four, twenty-six, and thirty?

1, 2, 3, 4, 6, 8, 9

zero, 1, 2, 3, 4, 6, 8, 9

1, 2, 3

zero, 1, 2, 3

Question 19 (Multiple Choice Worth 3 points)

[8.02] MA.7.P.7.2

A spinner is divided into ten equal segments. Each segment is numbered one through nine and one segment is labeled with "Free Spin." Isaiah spins the spinner ten times and gets a number eight times. What is the probability that he will get a number on the eleventh try?

zero percent

ten percent

ninety percent

one hundred percent

Question 20 (Multiple Choice Worth 3 points)

[8.04] MA.7.S.6.1

Which of the following sampling methods includes samples obtained by a fixed pattern?

systematic sampling

representative sampling

volunteer sampling

simple random sampling

Question 21 (Multiple Choice Worth 3 points)

[8.04] MA.7.S.6.1

Casey performs a survey to determine what movie-goers think about movie theater popcorn. Which is an unbiased representative sample of the population?

the first twenty customers to buy popcorn

every fifth customer that buys food other than popcorn

the first thirty customers to buy food other than popcorn

every tenth customer that buys food from the snack bar

Answer 2

@matricked