Question

A national computer retailer believes that the average sales are greater for salespersons with a college degree. A random sample of 35 salespersons with a degree (group 1) had an average weekly sale of $3555 last year, while 32 salespersons without a college degree (group 2) averaged $3256 in weekly sales. The standard deviations were $468 and $642 respectively. Is there evidence at the 5% level to support the retailer's belief?

1) Select the Alternate hypothesis.

a) μ₁ < μ₂

b) μ₁ ≠ μ₂

c) μ₁ > μ₂

Select the p-value for this hypothesis test.

a) p-value = 0.114

b) p-value = 0.031

c) p-value = 0.019

d) p-value = 0.008

e) p-value = 0.015

Select the Decision to Reject H₀ or Failure to Reject H₀.

Answer 1

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