Review problem of the average salary

Reference no: EM131808338

Question: A survey of eight vice presidents of information technology and information systems, who had been in their current positions for 10 years or less, revealed $174,813 as the average salary. Assume a random sample with a standard deviation of $25,000.

a. Find the 95% confidence interval for the population mean salary.

b. Find the 99% confidence interval for the population mean salary.

c. Complete the following sentence: We are 95% sure that the population means salary is at least.

Reference no: EM131808338

Questions Cloud

Descriptive statistics and distributions : What do we learn from the standard deviation statistic and How do the major constructs of the research cycle

Determining the survey of business intelligence analysts : A survey of 21 business intelligence analysts, who had been in their current positions from 10 to 20 years, revealed $90,734 as the average salary.

Increasing returns to scale at low levels of output : Suppose that a firm faces increasing returns to scale at low levels of output and constant returns to scale at high levels of output.

Low levels of output and constant returns : Suppose that a firm faces increasing returns to scale at low levels of output and constant returns to scale at high levels of output.

Review problem of the average salary : A survey of eight vice presidents of information technology and information systems, who had been in their current positions for 10 years or less.

What is meant by social gains in crisis communications : At a minimum, who should be notified during a crisis situation? Describe what is meant by "social gains" in crisis communications?

Explain organizational development : Explain organizational development. Explain the methods used for organizational development briefly.

Evaluate the organisation health and safety services : You have been asked to evaluate the organisation’s health and safety services.

Confidence interval for the population mean sales increase : During a 1-week experiment, motion was added to in store sales displays at a random sample of your firm's stores nationwide.

User Account

All Pages