Asked by Esmer Çetin on Jun 22, 2024
Verified
The proprietor of a boutique in New York wanted to determine the average age of his customers.A random sample of 53 customers revealed an average age of 28 years with a standard deviation of 4 years.Determine a 98% confidence interval estimate for the average age of all his customers.
Average Age
The sum of individual ages divided by the number of individuals, used to indicate the central or typical age in a group.
- Create intervals for confidence around population means, independent of the knowledge status of the population standard deviations.
- Contrast the effects that sample size and confidence level have on determining the span of a confidence interval.
Verified Answer
KP
Learning Objectives
- Create intervals for confidence around population means, independent of the knowledge status of the population standard deviations.
- Contrast the effects that sample size and confidence level have on determining the span of a confidence interval.