A study was done using a treatment group and a placebo group. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. Use a 0.05 significance level for both parts. H2 In 28 39 2.32 2.62 0.51 0.95 The test statistic, t, is-1.67. (Round to two decimal places as needed.) The P-value is (Round to three decimal places as needed.)

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A study was done using a treatment group and a placebo group. The results are shown in the table. Assume that the two samples are
independent simple random samples selected from normally distributed populations, and do not assume that the population standard
deviations are equal. Complete parts (a) and (b) below. Use a 0.05 significance level for both parts.
H2
n
28
39
2.32
2.62
IS
0.51
0.95
The test statistic, t, is -1.67. (Round to two decimal places as needed.)
The P-value is (Round to three decimal places as needed.)
Enter your answer in the answer box and then click Check Answer.
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of Androd an
Transcribed Image Text:Question Help V A study was done using a treatment group and a placebo group. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. Use a 0.05 significance level for both parts. H2 n 28 39 2.32 2.62 IS 0.51 0.95 The test statistic, t, is -1.67. (Round to two decimal places as needed.) The P-value is (Round to three decimal places as needed.) Enter your answer in the answer box and then click Check Answer. parts 2 remaining Clear All Check Answer Murtimeato LIorory 6 VA 8:33 hp DII esc backspace 96 6. e r tab k f a V\ alt ctri alt USE YOUR SMARTPHO Reviews Videos Specs Supe lay. lay. y accs b of Androd an
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