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Exhibit 10-1 Salary information regarding two independent random samples of male and female employees of a...

  1. Exhibit 10-1
    Salary information regarding two independent random samples of male and female employees of a large company is shown below.

    Male (Population 1)

    Female (Population 2)
    Sample size

    64

    36
    Sample mean salary (in $1000s)

    44

    41
    Population variance

    128

    72

    Refer to Exhibit 10-1. The sample suggests that men get paid more than women. We want to test if this is true. Develop a null hypothesis and alternative hypothesis to test this question.

    a.

    H0: Mu1 - Mu2 = 0

    Ha: Mu1 - Mu2 ≠ 0
    b.

    H0: Mu1 - Mu2  ≤  0

    Ha: Mu1 - Mu2 >  0
    c.

    H0: Mu1 - Mu2   ≥  0

    Ha: Mu1 - Mu2  <  0
    d.

    H0: Mu1 - Mu2  >  0

    Ha: Mu1 - Mu2  <  0
Math   Statistics-And-Probability   
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TOPIC:Null and alternative hypotheses for the given test of hypothesis.

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