A statistician wishes to determine the difference between two population means. A sample of 18 items from Population #1 yields a mean of 205 with a standard deviation of 12. The sample of 15 items from Population #2 yields a mean of 190 with a standard deviation of 10. Assume that the values are normally distributed in each population. What is the test statistic? A statistician wishes to determine the difference between two population means. A sample of 18 items from Population #1 yields a mean of 205 with a standard deviation of 12. The sample of 15 items from Population #2 yields a mean of 190 with a standard deviation of 10. Assume that the values are normally distributed in each population. What is the test statistic? a. 3.85 b. 1.02 c. 3.82 d. 1.05
A statistician wishes to determine the difference between two population means. A sample of 18 items from Population #1 yields a
What is the test statistic?
A statistician wishes to determine the difference between two population means. A sample of 18 items from Population #1 yields a mean of 205 with a standard deviation of 12. The sample of 15 items from Population #2 yields a mean of 190 with a standard deviation of 10. Assume that the values are normally distributed in each population.
What is the test statistic?
a. 3.85
b. 1.02
c. 3.82
d. 1.05
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