A medical researcher wants to measure the effects of a new drug on cholesterol levels using a hypothesis test. The target is a 30-point decrease in cholesterol levels after a treatment cycle. The researcher takes a random sample of patients and measures their cholesterol levels before and after a treatment cycle of the drug. Which type of hypothesis test should they use?  test for one population proportion  test for one population mean  test for a difference in two population proportions  test for a difference in two population means

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section: Chapter Questions
Problem 19SGR
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A medical researcher wants to measure the effects of a new drug on cholesterol levels using a hypothesis test. The target is a 30-point decrease in cholesterol levels after a treatment cycle. The researcher takes a random sample of patients and measures their cholesterol levels before and after a treatment cycle of the drug.

Which type of hypothesis test should they use?

  1.  test for one population proportion
  2.  test for one population mean
  3.  test for a difference in two population proportions
  4.  test for a difference in two population means
 
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