You want to test whether salaries for male doctors are different from salaries for female doctors, using a random sample of 100 male and 100 female doctors. The statistical test you should use is

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15-10-2020
Mathematics

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You want to test whether salaries for male doctors are different from salaries for female doctors, using a random sample of 100 male and 100 female doctors. The statistical test you should use is

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okpalawalter8 okpalawalter8 · Answer 1 · 2020-10-15T19:14:43+02:00

Complete Question

You want to test whether salaries for male doctors are different from salaries for female doctors, using a random sample of 100 male and 100 female doctors. The statistical test you should use is

a. t-Test: Two-Sample Assuming Equal Variances

b. t-Test: Two-Sample Assuming Unequal Variances

c. z-Test: Two Sample for Means

d. t-Test: Paired Two Sample for Means

Answer:

The correct option is C

Step-by-step explanation:

From the question we can see that

The salaries for male doctors is independent of The salaries for female doctors

Hence the samples obtained from both populations are independent

Also both of the random samples are sufficiently large.

So given that the samples are independent and sufficiently large then the best statistical test to use is z-Test: Two Sample for Means