Author Question: Solve the problem. Round your answer to the nearest whole number unless indicated otherwise.A sample ... (Read 86 times)

storky111 · **on:** Jan 18, 2020

Question 1

Solve the problem. Round your answer to the nearest whole number unless indicated otherwise.

A sample of 100 statistics students at a small college had a mean mathematics ACT score of 28 with a standard deviation of 7. Use a single value to estimate the mean mathematics ACT score for all statistics students.
◦ 30
◦ 28
◦ 7
◦ 100

Question 2

Solve the problem. Round your answer to the nearest whole number unless indicated otherwise.

A sample of 81 statistics students at a small college had a mean mathematics ACT score of 24 with a standard deviation of 8. Find the 95% confidence interval. Round your answer to two decimal places.
◦ 22.22 < μ < 25.78
◦ 23.11 < μ < 24.89
◦ 77.73 < μ < 84.27
◦ 23.80 < μ < 24.20

Danny Ewald · **Reply #1 on:** Jan 18, 2020

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