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A random sample of 105 women from the USA over the age of 20 showed their mean height was 63 inches with standard deviat
Posted: Wed Jul 06, 2022 12:08 pm
by answerhappygod
- A Random Sample Of 105 Women From The Usa Over The Age Of 20 Showed Their Mean Height Was 63 Inches With Standard Deviat 1 (8.06 KiB) Viewed 10 times
A random sample of 105 women from the USA over the age of 20 showed their mean height was 63 inches with standard deviation of 3.00 inches. Use this to test the claim that the population standard deviation of women's heights is less than or equal to 2.55 inches. Use a significance level of 0.01. Assume the population is normally distributed