Explore BrainMass

Explore BrainMass

    Descriptive Statistics for ABC Corporation

    Not what you're looking for? Search our solutions OR ask your own Custom question.

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    ABC Corporation of California publishes a variety of statistics, including the number of individuals who got a new job during the past 12 months and the mean length of time the individuals have been on the job. The Statistical Analysis Department of ABC Corporation reported that the mean length of time of newly employed individuals in California was 17.00 weeks.

    A local Chamber of Commerce for the City of Riverside has commissioned a study on the status of employment in the Riverside area. A sample of 16 employed residents of Riverside included data on the age and the number of weeks on a job. A portion of the data collected in October 2001 is shown as follows:

    Age/ Weeks Employed/ Age/ Weeks Employed


    Address the following:

    a. Based on the above data, use descriptive statistics to summarize the data. Use EXCEL to generate your statistical results.

    b. Develop a 99% confidence interval estimate of the mean age of newly hired employees.

    c. Conduct a hypothesis test to individuals and determine whether the mean duration of employment in Riverside is greater than the California mean duration of 17.00 weeks. Use a .01 level of significance. What is your conclusion?

    d. Is there a relationship between the age of a newly employed individual and the number of weeks of employment? Explain.

    © BrainMass Inc. brainmass.com December 24, 2021, 5:09 pm ad1c9bdddf

    Solution Summary

    The solution answers the questions in regard to summarizing the data, creating the confidence interval, and the hypothesis testing steps to determine if a relationship exists in the data.