A study was done on proctored and nonproctored tests. The results are shown in the table....

A study was done on proctored and nonproctored tests. 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.

The test statistic, t, is

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I am taking an example

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orchestra answered 2 years ago

A study was done on protected and non protected tests. The results are shown in the...

A study was done on protected and non protected tests. 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 0.01 significance level for both parts. Protected Non-protected μ μ 1 μ 2 n 30 34 x̅ 77.53 81.35 s 10.06 18.26 b. Construct a confidence interval suitable for...

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A study was done on body temperature of men and women. The results are shown in...

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A study was done on body temperatures of men and women. The results are shown in...

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A study was done on body temperatures of men and women. The results are shown in...

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A study was done on body temperatures of men and women. The results are shown in...

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Study was done on body temperatures of men and women. The results are 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. Mean for men is 1 Mean for women is 2 n for men is 11 n for women is 59 X bar for men is 97.62 degrees F X bar for women is 97.24 degrees F S for...

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A study was done on proctored and nonproctored tests. The results are shown in the table....

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