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Orlov [11]
3 years ago
5

A 7 yr old medical research study reported that woman whose mothers took the drug DES during pregnancy were twice as likely to d

evelop tissue abnormalities that might lead to cancer as were woman whose mothers did not take the drug.
a. This study involved comparison of two populations. What were the populations?

b. Do you suppose the data were obtained in a survey or experiment?

c. For the population of woman whose mother took the drug DES during pregnancy, a sample of 3980 woman showed that 63 developed tissue abnormatly that could lead to cancer. Provide a descriptive statistic that could be used to estimate the number of women out of 1000 in this population who have tissue abnormalities.

d. For the population of women wose mother did not take the drug during pregnancy, what is the estiimate of the number of woman out of 1000 who would be expected to have tissue abnornalities?

e. Medical sudies often use a relatively large sample (in this case 3980). Why?
Medicine
2 answers:
Yuliya22 [10]3 years ago
8 0

Answer:a. This study involved comparison of two populations. What were the populations?

1) Pregnant women who took the drug.

2)Pregnant women who didn't take the drug.

b. Do you suppose the data were obtained in a survey or experiment?

- Survey

C.Provide a descriptive statistic that could be used to estimate the number of women out of 1000 in this population who have tissue abnormalities.

-out of 1,000 women developed tissue abnormalities

63/3980=.0158

15.8%

D. remember that women whose mothers took the drug were twice as likely to develop tissue abnormalities.)

___ out of 1,000 women developed tissue abnormalities

15.8/2

7.9

e. Medical sudies often use a relatively large sample (in this case 3980). Why?

medical studies often use a relatively large sample (in this case, 3980) because disease occurrences can be rare and difficult to observe when only isolated populations are considered.

g100num [7]3 years ago
5 0

Answer:

Anorexia nervosa and  

a0 are eating disorders in which weight loss occurs.

Explanation:

Anorexia nervosa and  

a0 are eating

disorders in which weight loss occurs.

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