tudies if age correlates with the average number of hours of sleep, so she selected a random sample of size 10 and surveyed the needed data.
tudies if age correlates with the average number of hours of sleep, so she selected a random sample of size 10 and surveyed the needed data.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
Ms. Arceo studies if age correlates with the average number of hours of sleep, so she selected a random sample of size 10 and surveyed the needed data.
Transcribed Image Text:4
:-)
8
8
15
8
22
7
27
7
34
5
20
25
significance of the correlation coefficient at 0.01 level of significance.
41
∞
15
36
![Ms. Arceo studies if age correlates with the average
number of hours of sleep, so she selected a random
sample of size 10 and surveyed the needed data.
age(x)
hours of
sleep (y)
STEP 2:
a = 0.01
8
8
two tailed test
df = [e]
Critical value/s: [f]
STEP 4:
Decision: [h]
15
STEP 5:
Conclusion:
8
22
Test the significance of the correlation coefficient at
0.01 level of significance.
Correlation coefficient r: [a]
For the sample data, there is a [b] correlation
between age and number of hours of sleep.
Testing of Significance of r
7
STEP 1:
Ho: There is [c] between age and number of
hours of sleep.
Ha: There is [d] between age and number of
hours of sleep.
STEP 3:
What is the computed test value? [g]
27
7
There is [i] between age and number of hours of
sleep.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F30ce8c60-3bbd-49fd-9c22-05f4f7b8f650%2F13dd2096-b339-4d96-a73c-f2ed7eefeb03%2Fv7lvtw_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Ms. Arceo studies if age correlates with the average
number of hours of sleep, so she selected a random
sample of size 10 and surveyed the needed data.
age(x)
hours of
sleep (y)
STEP 2:
a = 0.01
8
8
two tailed test
df = [e]
Critical value/s: [f]
STEP 4:
Decision: [h]
15
STEP 5:
Conclusion:
8
22
Test the significance of the correlation coefficient at
0.01 level of significance.
Correlation coefficient r: [a]
For the sample data, there is a [b] correlation
between age and number of hours of sleep.
Testing of Significance of r
7
STEP 1:
Ho: There is [c] between age and number of
hours of sleep.
Ha: There is [d] between age and number of
hours of sleep.
STEP 3:
What is the computed test value? [g]
27
7
There is [i] between age and number of hours of
sleep.
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