Confidence interval for population variance of overtime hour

Reference no: EM131431108

Business and Management

A personnel manager at Inserra Supermarkets is concerned about the pattern of overtime hours claimed by employees. Although there is a special budget to pay for overtime hours, large fluctuations may cause cashflow problems. In a random sample of 25 employees, the sample variance for the number of overtime hours claimed was 4.25. Assume the distribution of overtime hours is normal.

a. Find a 95% confidence interval for the population variance of overtime hours.

b. Find a 95% confidence interval for the population standard deviation of overtime hours.

Reference no: EM131431108

Questions Cloud

Fill in the total product column : Willie's Water Park experiences diminishing marginal product beginning with which worker?

Daytime photosynthesis in a typical tree : Which inequality reflects the correct relationship of water potentials during active daytime photosynthesis in a typical tree?

Working in teams leads to complex interpersonal problems : Working in teams leads to complex interpersonal problems. Do you think working in teams is worth the effort to manage through work place problems and find viable solutions? Are there effective alternatives to team work? Explain your opinion.

Diverse groups of organisms on our planet : Explain "The order of primates is one of the most widespread, unique, and behaviorally diverse groups of organisms on our planet. These animals are found throughout tropical regions of Africa, South America,

Confidence interval for population variance of overtime hour : Find a 95% confidence interval for the population variance of overtime hours.- Find a 95% confidence interval for the population standard deviation of overtime hours.

Will employing relatives really keep profits from falling : Will employing relatives really keep profits from falling? Under what conditions is this a good strategy?

Can new government policies end homelessness : Is providing housing the best way to end homelessness is the question debated in the Pro and Con section. An example is given that New York City has given so many time and money on rehousing families. But a daily report proofs that is not effectiv..

Evaluate the bureaucracy as co-equal branch : The federal bureaucracy is sometimes referred to as the "fourth branch" of the government because it wields significant power. Using a news article from the last four weeks that demonstrates this power, evaluate the bureaucracy as a co-equal branch o..

Review the us army as a public administrator : Many of the social networking sites make the behavior of employees much more visible. Discuss one or two implications social networking sites have for government employees. Provide examples to justify your response.Employees sometimes reveal infor..

User Account

All Pages