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.The group of students had the test on Statistics. The following student's blood pressure results are given in the table before and after the test: Student 1 2 3 4 5 6 7 8 before 77 82 75 80 81 85 81 75 after 79 89 77 79 86 88 83 79 a) Find 95% confidence interval for the - difference of the student's blood pressure results before and after the test, b) Do the data support that the blood pressure is changed at the a=0.1? The difference is believed to be approximately normally distributed.

.The group of students had the test on Statistics. The following student's blood pressure results are given in the table before and after the test: Student 1 2 3 4 5 6 7 8 before 77 82 75 80 81 85 81 75 after 79 89 77 79 86 88 83 79 a) Find 95% confidence interval for the - difference of the student's blood pressure results before and after the test, b) Do the data support that the blood pressure is changed at the a=0.1? The difference is believed to be approximately normally distributed.

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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.The group of students had the test on Statistics. The following student's blood pressure results are given in the table before and after the test: Student 1 2 3 4 5 6 7 8 before 77 82 75 80 81 85 81 75 after 79 89 77 79 86 88 83 79 a) Find 95% confidence interval for the - difference of the student's blood pressure results before and after the test, b) Do the data support that the blood pressure is changed at the a=0.1? The difference is believed to be approximately normally distributed.
Transcribed Image Text:.The group of students had the test on Statistics. The following student's blood pressure results are given in the table before and after the test: Student 1 2 3 4 5 6 7 8 before 77 82 75 80 81 85 81 75 after 79 89 77 79 86 88 83 79 a) Find 95% confidence interval for the - difference of the student's blood pressure results before and after the test, b) Do the data support that the blood pressure is changed at the a=0.1? The difference is believed to be approximately normally distributed.
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