Examining Samples Worksheet With Answer Key printable pdf download

Examining Samples Worksheet With Answer Key

Name:

Examining Samples

Solve each problem.

1) A car company was trying to figure out if more men or more women purchased yellow cars. To do this they polled

all the customer who bought a yellow car in the last month. Their results are shown below:

Sample #

Men

41 40 42 44 41 40

Women

51 49 49 48 48 51

Based on the information presented what can you infer about who bought yellow cars?

Based on the information presented 16% more Women bought yellow cars.

2) A carpenter has accumulated a large collection of nails, screws and bolts, which he had randomly thrown together

into a bucket. Later he wanted to estimate how many of each he had. To do this he grabbed a handful from the

bucket. His results are shown below.

Sample #

nails

18 18 21 22 21 18 22 20

screws

22 22 21 22 18 21 22 20

bolts

21 19 18 18 22 21 22 20

Based on the information presented can you infer anything about the relationship between the number of

nails,screws and bolts in the bucket?

Because of the very small discrepancy in the quantities it is unlikely any deduction can

be made about the number of nails,screws or bolts in the bucket.

3) An ad agency was trying to determine if customers liked blue, green or red packaging better. To do this they took a

sample of customers and polled them. The results are shown below:

Sample #

Red

Green

Blue

Based on the information presented can you infer anything about which color is liked the best?

Based on the information presented and the small samples gathered it is impossible to

make any meaningful assumptions.

1-3

67 33 0

Math

Examining Samples Worksheet With Answer Key