Statistics Unit 5 Review

• 3.6

• 10.6

• 51

• Cannot be determined without the actual data.

• 158 ± 21.3

• 158 ± 19.8

• 158 ± 21.2

• 158 ± 22.1

• 1400 ± 79.4

• 1400 ± 76.2

• 1400 ± 77.8

• 1400 ± 38.9

• The margin of error for our 99% CI would stay the same

• The margin of error for our 99% CI would decrease.

• The margin of error for our 99% CI would increase.

• None are true.

• 0.18 ± 0.023

• 0.18 ±0.0306

• 0.90 ± 0.0195

• 0.18 ± 0.0195

• ≈5700

• ≈9610

• ≈850

• ≈2400

• ≈10

• ≈15

• ≈55

• ≈75

• 7.125 ± 1.19

• 7.125 ± 1.64

• 7.125 ± 1.28

• 7.125 ± 1.59

• ≈25

• ≈470

• ≈3670

• ≈1850

A sample of 30 women finds the mean height to be 62.3 in and the standard deviation to be 1.5 in. Find the margin of error of the mean woman's height for a 95% confidence interval.

• 1.699

• 0.56

• 0.537

• 1.12