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Author Question: A medical doctor is comparing two treatments for high cholesterol. She puts the names of 40 patients ... (Read 143 times)

jCorn1234

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on: Jul 24, 2018
A medical doctor is comparing two treatments for high cholesterol. She puts the names of 40 patients with high cholesterol into a box, and randomly draws the names of 20 patients. These 20 patients are given treatment 1 . The doctor gives treatment 2 to the remaining 20 patients. What type of study design is this?
 a. Observational study
  b. Sample survey
  c. Randomized experiment
  d. Significant

Question 2

A study was conducted to compare the grade point averages (GPAs) of male and female students majoring in Psychology. In this study
 a. gender and GPA are both response variables.
  b. gender and GPA are both explanatory variables.
  c. GPA is an explanatory variable and Gender is a response variable.
  d. gender is an explanatory variable and GPA is a response variable.


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britb2u

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Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

D


jCorn1234

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Reply 2 on: Jul 24, 2018
Wow, this really help

nanny

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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