1. (Use BMD data) Researchers studied the bone mineral density (BMD) and depression of men aged 65 to 92 years. At the 1% significance level, do the data in the table (taken from a random sample) provide sufficient evidence to conclude that BMD and depression are statistically dependent for elderly men? The historical study shows that using Chi-square test is appropriate A C D Depressed Not_depressed 2 Osteoporitic Low_BMD 37 3. 71 530 here. 4 Normal 95 1292 а. State the null and alternate hypotheses. 9 b. Find the value of the chi-square statistic for the sample. (Round the test statistic to three decimal places.) 10 11 12 13 14 c. Find the P-value of the sample test statistic. (Round to four decimal places.) 15 16
1. (Use BMD data) Researchers studied the bone mineral density (BMD) and depression of men aged 65 to 92 years. At the 1% significance level, do the data in the table (taken from a random sample) provide sufficient evidence to conclude that BMD and depression are statistically dependent for elderly men? The historical study shows that using Chi-square test is appropriate A C D Depressed Not_depressed 2 Osteoporitic Low_BMD 37 3. 71 530 here. 4 Normal 95 1292 а. State the null and alternate hypotheses. 9 b. Find the value of the chi-square statistic for the sample. (Round the test statistic to three decimal places.) 10 11 12 13 14 c. Find the P-value of the sample test statistic. (Round to four decimal places.) 15 16
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Problem 1P
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Question
![1. (Use BMD data) Researchers studied the bone mineral density (BMD) and depression of men
aged 65 to 92 years. At the 1% significance level, do the data in the table (taken from a random
sample) provide sufficient evidence to conclude that BMD and depression are statistically
dependent for elderly men? The historical study shows that using Chi-square test is appropriate
A
В
C
D
1
Depressed
Not_depressed
2 Osteoporitic
1
37
3
Low_BMD
71
530
here.
Normal
95
1292
а.
State the null and alternate hypotheses.
7
8
9.
b.
Find the value of the chi-square statistic for the sample. (Round the test statistic to three decimal
places.)
10
11
12
13
14
C.
Find the P-value of the sample test statistic. (Round to four decimal places.)
15
16
17
18
d. Interpret your conclusion in the context of the application.
19
20
Insert your R output here:
+
е.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff25d932e-27f5-4251-9ddb-21e2d016c4d8%2F0f5736ac-79d1-4c7f-9fe1-bd628ca9279e%2Fig6jzzv_processed.png&w=3840&q=75)
Transcribed Image Text:1. (Use BMD data) Researchers studied the bone mineral density (BMD) and depression of men
aged 65 to 92 years. At the 1% significance level, do the data in the table (taken from a random
sample) provide sufficient evidence to conclude that BMD and depression are statistically
dependent for elderly men? The historical study shows that using Chi-square test is appropriate
A
В
C
D
1
Depressed
Not_depressed
2 Osteoporitic
1
37
3
Low_BMD
71
530
here.
Normal
95
1292
а.
State the null and alternate hypotheses.
7
8
9.
b.
Find the value of the chi-square statistic for the sample. (Round the test statistic to three decimal
places.)
10
11
12
13
14
C.
Find the P-value of the sample test statistic. (Round to four decimal places.)
15
16
17
18
d. Interpret your conclusion in the context of the application.
19
20
Insert your R output here:
+
е.
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