QUESTION 4 4) The medical research department of a certain city hospital tests the effectiveness of their cholesterol re

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Question 4 4 The Medical Research Department Of A Certain City Hospital Tests The Effectiveness Of Their Cholesterol Re 1 (29.44 KiB) Viewed 14 times

QUESTION 4 4) The medical research department of a certain city hospital tests the effectiveness of their cholesterol reducing program for their heart patients. They have selected a random sample of 35 heart patients and perform a blood test for cholesterol levels. Then each patient in this sample were introduced to the cholesterol reducing program for three months. At the end of the program, participants were tested again for their cholesterol levels. Then the data were submitted to the statistics department for conducting the appropriate hypothesis test. Which of the following is correct test to see whether their program is effective? Oa. Independent sample t test Ob. One sample t test Oc. paired sample t test O d. One sample z test