Independent simple random samples are taken to test the difference between the means of two populations whose variances are not known, but are assumed to be equal. The sample sizes are n1 = 32 and n2 = 40. The correct distribution to use is the
A) t distribution with 73 degrees of freedom
B) t distribution with 72 degrees of freedom
C) t distribution with 71 degrees of freedom
D) t distribution with 70 degrees of freedom
Correct Answer:
Verified
Q1: Exhibit 10-2
The following information was obtained
Q2: When developing an interval estimate for the
Q3: To construct an interval estimate for the
Q4: Exhibit 10-2
The following information was obtained from
Q5: The sampling distribution of Q7: Exhibit 10-1 Q8: Exhibit 10-1 Q9: Independent simple random samples are taken to Q10: If we are interested in testing whether Q11: Exhibit 10-1
Salary information regarding male and female
Salary information regarding male and female
Salary information regarding male and female
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