1st box- fail to reject or reject 2nd box- is or is not Score: 0.2 of 1 pt 3 of

Question

1st box- fail to reject or reject 2nd box- is or is not Score: 0.2 of 1 pt 3 of 9 (9 complete) v HW Score: 62.41%, 5.6 9.3.7-T Question Help Researchers conducted a study to determine whether magnets are effective in Treatment Sham treating back pain. The results are shown in the table for the treatment (with magnets) group and the sham (or placebo) group. The results are a measure H2 of reduction in back pain. Assume that the two samples are independent n 30 30 simple samples selected from normally distributed populations, and 0.54 0.39 do not assume that the population standard deviations are equal. Complete 0.65 1.33 parts (a) (b) below. Use a 0.05 significance level for both parts. H1: H1 H2 The test statistic, t, is 0.55. (Round to two decimal places as needed.) The P-value is 0.291 (Round to three decimal places as needed.) State the conclusion for the test. v the null hypothesis. There sufficient evidence to support the claim that those treated with magnets have a greater mean reduction in pain than those given a sham treatment.

Explanation / Answer

Sol:

Alpha=0.05 given

p=0.291

p> alpha

p>0.05

Fail to reject null hypothesis

there is no sufficient evidence to support the claim

Answers:

FAIL TO REJECT

IS NOT

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