Adult Before medication After medication 1 11.7 12.9 2 10.5 11.1 3 10.2 9.8 4 11.4 8.4 5 10.1 7.9 6 11.3 8.1 7 8 10.9 13.3 6.9 9 11.2 10 11.0 11.0 8.3 8.6 a) Are the samples independent? Justify your answer. b) Do the data provide sufficient evidence to indicate whether the medication has been effective in decreasing blood glucose level? Test using the critical value approach with α = 0.05. c) Find the approximate p-value for the test and interpret its value using a = 0.05. d) Find a 90% confidence interval for the difference in average blood glucose levels between the two groups. Based on this interval, can one conclude that there is a significant difference in average blood glucose level between the two groups? Justify your answer. Are your findings consistent with that in (a)?
Adult Before medication After medication 1 11.7 12.9 2 10.5 11.1 3 10.2 9.8 4 11.4 8.4 5 10.1 7.9 6 11.3 8.1 7 8 10.9 13.3 6.9 9 11.2 10 11.0 11.0 8.3 8.6 a) Are the samples independent? Justify your answer. b) Do the data provide sufficient evidence to indicate whether the medication has been effective in decreasing blood glucose level? Test using the critical value approach with α = 0.05. c) Find the approximate p-value for the test and interpret its value using a = 0.05. d) Find a 90% confidence interval for the difference in average blood glucose levels between the two groups. Based on this interval, can one conclude that there is a significant difference in average blood glucose level between the two groups? Justify your answer. Are your findings consistent with that in (a)?
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
Related questions
Question
![Adult
Before
medication
After
medication
1
11.7 12.9
2
10.5 11.1
3
10.2
9.8
4
11.4
8.4
5
10.1
7.9
6
11.3
8.1
7
8
10.9 13.3
6.9
9
11.2
10
11.0
11.0 8.3 8.6
a) Are the samples independent? Justify your answer.
b)
Do the data provide sufficient evidence to indicate whether the medication has been
effective in decreasing blood glucose level? Test using the critical value approach with
α = 0.05.
c)
Find the approximate p-value for the test and interpret its value using a = 0.05.
d) Find a 90% confidence interval for the difference in average blood glucose levels
between the two groups. Based on this interval, can one conclude that there is a
significant difference in average blood glucose level between the two groups? Justify
your answer. Are your findings consistent with that in (a)?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb89d0400-8ac1-4375-82b8-e57940b2a0ab%2F5cc378c9-1a30-43d1-873d-fca33db81d30%2Fvihhyp_processed.png&w=3840&q=75)
Transcribed Image Text:Adult
Before
medication
After
medication
1
11.7 12.9
2
10.5 11.1
3
10.2
9.8
4
11.4
8.4
5
10.1
7.9
6
11.3
8.1
7
8
10.9 13.3
6.9
9
11.2
10
11.0
11.0 8.3 8.6
a) Are the samples independent? Justify your answer.
b)
Do the data provide sufficient evidence to indicate whether the medication has been
effective in decreasing blood glucose level? Test using the critical value approach with
α = 0.05.
c)
Find the approximate p-value for the test and interpret its value using a = 0.05.
d) Find a 90% confidence interval for the difference in average blood glucose levels
between the two groups. Based on this interval, can one conclude that there is a
significant difference in average blood glucose level between the two groups? Justify
your answer. Are your findings consistent with that in (a)?
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