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    To find point estimate, margin of error

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    The following data set represents the repairs costs in dollars for a random sample of 30 dishwasher.

    41.82 52.81 57.8 68.16 73.48 78.88 88.13 88.79
    90.07 90.35 91.68 91.72 93.01 95.21 95.34 96.5
    100.05 101.32 103.59 104.19 105.62 111.32 117.14 118.42
    118.77 119.01 120.7 140.52 141.84 147.06

    a) Find the point of estimate of the population mean,
    b) Find the margin of error for a 95% level of confidence.
    c) Construct a 955 confidence interval for the population mean and interpret the results.

    © BrainMass Inc. brainmass.com May 20, 2020, 2:20 pm ad1c9bdddf
    https://brainmass.com/statistics/confidence-interval/find-point-estimate-margin-error-85753

    Solution Summary

    Point estimate and margin of error is calculated.

    $2.19

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