1. Sunshine City was designed to attract retired people, and its current population of 50,000 residents...

 

Transcribed Image Text:

1. Sunshine City was designed to attract retired people, and its current population of 50,000 residents has a mean age of 60 years and a standard deviation of 16 years. The distribution of ages is skewed to the left. A random sample of 100 residents of Sunshine City has a sample mean of 58.3 and a sample standard deviation of 15.0. a. Describe the center and spread of the population distribution. b. Describe the center and spread of the sampling distribution of the sample mean for n = 100. What shape does it take? c. Explain why it would not be unusual to observe a person of age under 40 in Sunshine City, but it would be highly unusual to observe a sample mean under 40 for a random sample size of 100 people. 1. Sunshine City was designed to attract retired people, and its current population of 50,000 residents has a mean age of 60 years and a standard deviation of 16 years. The distribution of ages is skewed to the left. A random sample of 100 residents of Sunshine City has a sample mean of 58.3 and a sample standard deviation of 15.0. a. Describe the center and spread of the population distribution. b. Describe the center and spread of the sampling distribution of the sample mean for n = 100. What shape does it take? c. Explain why it would not be unusual to observe a person of age under 40 in Sunshine City, but it would be highly unusual to observe a sample mean under 40 for a random sample size of 100 people.

Answer rating: 100% (QA)

Solution a The population distribution of ages in Sunshine City has a mean of 60 years and a standar... View the full answer