Explore BrainMass

Explore BrainMass

    Random Sample

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

    A random sample of 56 people measured accuracy w/ positive errors representing watches that are ahead of the correct time and negative rep. those behind the time. The 56 values have a mean on -94.7 seconds and a SD of 152.6 sec. Use a 0.01 sig. level to test claim pop of all watches has a mean = to 0.00
    Answer is reject the claim that the pop mean = 0.00

    © BrainMass Inc. brainmass.com March 4, 2021, 6:08 pm ad1c9bdddf
    https://brainmass.com/statistics/random-sampling/random-sample-accuracy-30810

    Solution Preview

    n= 56
    <X> = -94.7 sec
    SD = 152.6 sec
    mu_o = 0.00
    significance level "alpha" = 0.01

    Ho: mu ...

    Solution Summary

    A random sample of 56 people measured accuracy w/ positive errors representing watches that are ahead of the correct time and negative rep. those behind the time. The 56 values have a mean on -94.7 seconds and a SD of 152.6 sec. Use a 0.01 sig. level to test claim pop of all watches has a mean = to 0.00
    Answer is reject the claim that the pop mean = 0.00

    $2.49

    ADVERTISEMENT