A random sample of two variables, x and y, produced the observations shown to the right a. Develop a scatter plot for the two variables and describe what relationship, if any, exists b. Compute the correlation coefficient for these sample data. c. Test to determine whether the population correlation coefficient is positive. Use a significance level of 0.10 for the hypothesis test. Click the icon to view the t-distribution table. 10 20- There appears to be a positive linear relationship between x and y b. What is the correlation coefficient for these sample data? (Round to two decimal places as needed) X yo 10 8 18 10 13 9 16 10 17 9 12 6 20 12 14 8 REZER 10 mamma Q Av

MATLAB: An Introduction with Applications
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A random sample of two variables, x and y., produced the observations
shown to the right
a. Develop a scatter plot for the two variables and describe what
relationship, if any, exists
b. Compute the correlation coefficient for these sample data.
c. Test to determine whether the population correlation coefficient is
positive. Use a significance level of 0.10 for the hypothesis test.
Click the icon to view the t-distribution table.
PL
14-
t=
10
Q
UD.
20+
Q
There appears to be a positive linear relationship between x and y
b. What is the correlation coefficient for these sample data?
(Round to two decimal places as needed.)
X yo
10
8
18 10
13 9
16 10
17
9
12
6
20 12
14
8
ACCED
10
Ax
10-
Transcribed Image Text:A random sample of two variables, x and y., produced the observations shown to the right a. Develop a scatter plot for the two variables and describe what relationship, if any, exists b. Compute the correlation coefficient for these sample data. c. Test to determine whether the population correlation coefficient is positive. Use a significance level of 0.10 for the hypothesis test. Click the icon to view the t-distribution table. PL 14- t= 10 Q UD. 20+ Q There appears to be a positive linear relationship between x and y b. What is the correlation coefficient for these sample data? (Round to two decimal places as needed.) X yo 10 8 18 10 13 9 16 10 17 9 12 6 20 12 14 8 ACCED 10 Ax 10-
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