Explore BrainMass

Explore BrainMass

    You are to conduct a sample survey to determine the mean family income in a rural area of central Florida.

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

    You are to conduct a sample survey to determine the mean family income in a rural area of central Florida. The question is, how many families should be sampled? In a pilot sample of 10 families, the standard deviation of the sample was $500. The sponsor of the survey wants you to use the 95 percent confidence level. The estimate is to be within $100. How many families should be interviewed?

    © BrainMass Inc. brainmass.com June 3, 2020, 5:59 pm ad1c9bdddf
    https://brainmass.com/business/accounting/mean-family-income-rural-area-central-florida-43562

    Solution Preview

    SD =500
    CI level = 95%
    Since the half range of the CI = z*SE
    and z(0.975) ...

    Solution Summary

    The mean family income in a rural area of central Florida is determined. Statistics in a survey is examined.

    $2.19

    ADVERTISEMENT