- Exit Certify Lesson: 11.3 Hypothesis Testing: Two Pop... Question 4 of 6, Step 2 of 3 The manufacturer of a new eye cream claims that the cream reduces the appearance of fine lines and wrinkles after just 14 days of application. To test the claim, 10 women are randomly selected to participate in a study. The number of fine lines and wrinkles that are visible around each participant's eyes is recorded before and after the 14 days of treatment. The following table displays the results. Test the claim at the 0.05 level of significance assuming that the population distribution of the paired differences is approximately normal. Let women before the treatment be Population 1 and let women after the treatment be Population 2. Before After Answer 6/18 Correct Number of Fine Lines and Wrinkles 13 11 14 11 9 15 12 10 10 13 11 8 Copy Data Step 2 of 3: Compute the value of the test statistic. Round your answer to three decimal places. 12 11 12 10 13 10 11 12 LACIE RUSS Tables Keypad Keyboard Shortcuts
- Exit Certify Lesson: 11.3 Hypothesis Testing: Two Pop... Question 4 of 6, Step 2 of 3 The manufacturer of a new eye cream claims that the cream reduces the appearance of fine lines and wrinkles after just 14 days of application. To test the claim, 10 women are randomly selected to participate in a study. The number of fine lines and wrinkles that are visible around each participant's eyes is recorded before and after the 14 days of treatment. The following table displays the results. Test the claim at the 0.05 level of significance assuming that the population distribution of the paired differences is approximately normal. Let women before the treatment be Population 1 and let women after the treatment be Population 2. Before After Answer 6/18 Correct Number of Fine Lines and Wrinkles 13 11 14 11 9 15 12 10 10 13 11 8 Copy Data Step 2 of 3: Compute the value of the test statistic. Round your answer to three decimal places. 12 11 12 10 13 10 11 12 LACIE RUSS Tables Keypad Keyboard Shortcuts
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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