A trade Union claims that the average hourly rate paid to domestic cleaners throughout the country...

Transcribed Image Text:

A trade Union claims that the average hourly rate paid to domestic cleaners throughout the country is only N$ 2.85. Assume that the housewives League wishes to test this claim. They conducted a survey amongst a sample of 250 domestic cleaners throughout the country. The sample mean hourly rate was found to be N$ 3.03. Assume that the population standard deviation of hourly rates paid to domestic cleaners is N$ 1.00. a) Test the hypothesis at the 5% significance level that the average hourly rate paid to domestic workers is indeed N$ 2.85. (13) b) Test the hypothesis at the 5% significance level that the average hourly rate paid to domestic workers is more than N$ 2.85. (12) Total: 100 A trade Union claims that the average hourly rate paid to domestic cleaners throughout the country is only N$ 2.85. Assume that the housewives League wishes to test this claim. They conducted a survey amongst a sample of 250 domestic cleaners throughout the country. The sample mean hourly rate was found to be N$ 3.03. Assume that the population standard deviation of hourly rates paid to domestic cleaners is N$ 1.00. a) Test the hypothesis at the 5% significance level that the average hourly rate paid to domestic workers is indeed N$ 2.85. (13) b) Test the hypothesis at the 5% significance level that the average hourly rate paid to domestic workers is more than N$ 2.85. (12) Total: 100

Answer rating: 100% (QA)

solution From the given information Sample mean x 303 population standa... View the full answer