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4. Determine if there is any difference in the test before and after the drug intake. (Provide and interpret your conclusion) 5. Find a 95% confidence interval on the difference in means for the two observations.

4. Determine if there is any difference in the test before and after the drug intake. (Provide and interpret your conclusion) 5. Find a 95% confidence interval on the difference in means for the two observations.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Hi! I need answers for questions 4 to 5. Thank youuuu!

A student invented a drug to regulate, specifically to decrease, the blood sugar levels of people with diabetes. A test was conducted to a diabetic person before and after taking the drug. The results are shown below. Assume that the blood sugar level (mmol/L) are normally distributed with the same standard deviation. Use a = BEFORE AFTER 1 49.1 49.2 44.0 46.1 3 54.2 44.2 4 55.0 53.1 5 48.9 59.2 45.7 42.7 7 60.2 45.3 8 57.3 51.9 9. 49.2 51.3 10 61.5 47.3 11 39.8 58.4 12 47.5 49.7 13 55.6 44.6 14 46.1 57.1 15 65.3 45.9 Express your answers with three decimal places for non-whole numbers. 1. What is the standard deviation of each sample? 2. Provide a null and alternative hypotheses. 3. Provide appropriate rejection criteria. 4. Determine if there is any difference in the test before and after the drug intake. (Provide and interpret your conclusion) 5. Find a 95% confidence interval on the difference in means for the two observations.
Transcribed Image Text:A student invented a drug to regulate, specifically to decrease, the blood sugar levels of people with diabetes. A test was conducted to a diabetic person before and after taking the drug. The results are shown below. Assume that the blood sugar level (mmol/L) are normally distributed with the same standard deviation. Use a = BEFORE AFTER 1 49.1 49.2 44.0 46.1 3 54.2 44.2 4 55.0 53.1 5 48.9 59.2 45.7 42.7 7 60.2 45.3 8 57.3 51.9 9. 49.2 51.3 10 61.5 47.3 11 39.8 58.4 12 47.5 49.7 13 55.6 44.6 14 46.1 57.1 15 65.3 45.9 Express your answers with three decimal places for non-whole numbers. 1. What is the standard deviation of each sample? 2. Provide a null and alternative hypotheses. 3. Provide appropriate rejection criteria. 4. Determine if there is any difference in the test before and after the drug intake. (Provide and interpret your conclusion) 5. Find a 95% confidence interval on the difference in means for the two observations.
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