# HLT-362V Week 3 Benchmark - Hypothesis Testing Excel Worksheet

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1.    There is a new drug that is used to treat leukemia. The following data represents the remission time in weeks for a random sample of 21 patients using the drug.

10    7    32    23    22    6    16
11    20    19    6    17    35    6
10    34    32    25    13    9    6

Let X be a random variable representing the remission time in weeks for all patients using the new drug. Assume that the distribution of x is normal. A previously used drug treatment has a mean remission time of 12.5 weeks. Does the data indicate that the mean remission time using the new drug is different from 12.5 week at a level of significance of ?

2.    We wish to test the claim that the mean body mass index (BMI) of men is equal to the mean BMI of women.  Use the data to the right to test this claim.

Men    Women
20    29
37    28
46    20
23    28
20    42
23    45
21    19
15    45
20    16
28    32
27    38
20    45
30    41
22    34
27    28
38    21
29    42
20    21
16    30
27    28
42    30
37    43
39    40
39    16
32    44
16    15
21    16
26    20
17    41
39    16

1.    There is a new drug that is used to treat leukemia. The following data represents the remission time in weeks for a random sample of 21 patients using the drug.

10    7    32    23    22    6    16
11    20    19    6    17    35    6
10    34    32    25    13    9    6

Let X be a random variable representing the remission time in weeks for all patients using the new drug. Assume that the distribution of x is normal. A previously used drug treatment has a mean remission time of 12.5 weeks. Does the data indicate that the mean remission time using the new drug is different from 12.5 week at a level of significance of ?

2.    We wish to test the claim that the mean body mass index (BMI) of men is equal to the mean BMI of women.  Use the data to the right to test this claim.

Men    Women
20    29
37    28
46    20
23    28
20    42
23    45
21    19
15    45
20    16
28    32
27    38
20    45
30    41
22    34
27    28
38    21
29    42
20    21
16    30
27    28
42    30
37    43
39    40
39    16
32    44
16    15
21    16
26    20
17    41
39    16
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