Question
1. If an economist wishes to determine whether there is evidence that average family income in a community exceeds $25,000 a) either a one-tailed or
1. If an economist wishes to determine whether there is evidence that average family income in a community exceeds $25,000
a) either a one-tailed or two-tailed test could be used with equivalent results.
b) A one-tailed test should be utilized with the critical value on the right of our curve.
c) A two-tailed test should be utilized.
d) A one-tailed test should be utilized with the critical value on the left of our curve.
2. If a test of hypothesis has a Type I error of .01, we mean
a) If the null hypothesis is true, we dont reject it 1% of the time.
b) If the null hypothesis is true, we may reject it 1% of the time.
c) If the null hypothesis is false, we dont reject if 1% of the time.
d) If the null hypothesis is false, we may reject it 1% of the time.
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