# new-drug-that-is-used-to-treat-leukemia-Statistic-assignment-homework-help – Nursingresearchtutors | Assignment Collections | assignmentcollections.com

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 0.01?

State the null hypothesis:

A.  Âµ=12.5

B.  Âµâ‰ 12.5

C.  Âµ<12.5

D.  Âµ>12.5

State the alternative hypothesis:

A.  Âµ=12.5

B.  Âµâ‰ 12.5

C.  Âµ<12.5

D.  Âµ>12.5

 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 0.01?

State the level of significance:

A.  0.001

B.  0.01

C.  0.05

D.  0.10

 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 0.01?

State the test statistic:

A.  0.058

B.  0.552

C.  1.058

D.  2.106

Perform calculations

Then answer the following two questions:

Critical value:

A.  0.050

B.  1.960

C.  2.086

D.  2.845

P-value:

A.  p <0.001

B.  0.001 â‰¤ p <0.01

C.  0.01 â‰¤ p <0.05

D.  0.05  â‰¤ p

Statistical Conclusion

A.  Reject the null hypothesis

B.  Do not reject the null hypothesis

Experimental Conclusion

A.  There is sufficient evidence to conclude that the mean remission time using the new drug is different from 12.5 week at a level of significance of 0.01.

B.  There is no sufficient evidence to conclude that the mean remission time using the new drug is different from 12.5 week at a level of significance of 0.01.

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 below 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

State the Null Hypothesis

A.  Î¼1 = Î¼2

B.  Î¼1 â‰  Î¼2

C.  Î¼1 > Î¼2

D.  Î¼1 < Î¼2

Where Î¼1 and Î¼2 are the mean body mass index for men and women, respectively.

State the alternative hypothesis:

A.  Î¼1 = Î¼2

B.  Î¼1 â‰  Î¼2

C.  Î¼1 > Î¼2

D.  Î¼1 < Î¼2

State the Level of significance

State the level of significance:

A.  0.001

B.  0.01

C.  0.05

D.  0.10

State the test statistic (its absolute value, for example the absolute value of -1.5 is 1.5):

A.  0.058

B.  0.515

C.  1.273

D.  2.108

Perform calculations

Then answer the following two questions:

Critical value:

A.  0.050

B.  1.960

C.  2.002

D.  2.045

P-value:

A.  p <0.001

B.  0.001 â‰¤ p <0.01

C.  0.01  â‰¤ p <0.05

D.  0.05  â‰¤ p

Statistical Conclusion

A.  Reject the null hypothesis

B.  Do not reject the null hypothesis

Experimental Conclusion

There is sufficient evidence to conclude that the mean body mass index (BMI) of mean is

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