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ng Old Fertilizer Crop Yield Using New Fertilizer 12 10 13 10 10 12 Which of the

ID: 3316097 • Letter: N

Question


ng Old Fertilizer Crop Yield Using New Fertilizer 12 10 13 10 10 12 Which of the following are the appropriate competing 12 3. If the underlying populations cannot be assumed to be normal, then by the central limit theorem, the sampling distribution of X1 - large- that is, when 11 n2 30. 2 is approximately normal only if the sum of the sample observations is sufficiently A) True B) False 4. A tutor promises to improve GMAT scores of students by more than 50 points after three lessons. To see if this is true, the tutor takes a sample of 49 students' test scores after and before they received tutoring. The mean difference was 53 points better after tutoring, with a standard deviation o the difference equal to 12 points. Let

Explanation / Answer

25) The test Statistic is determined by the data.

24) OPTION C

23) researcher

22) OPTION D

21) Option C

20) option D

19) Option D n1>30 and n2> 30

18) option D

17) option B

16) option c

15) TRUE

14) option D

13) test Statistic

12) 68

11) option B

10) option B

8) option C

7) option B

6) option D

5) must be zero

4) 2.011

3) TRUE