Age (X): 24,23,23,25,27,21,21,30,21,29
Number of Hours on Spent
on Computer Per Week (Y): 14,24,18,23,19,23,16,10,6,15
Run your...
Age (X): 24,23,23,25,27,21,21,30,21,29
Number of Hours on Spent
on Computer Per Week (Y): 14,24,18,23,19,23,16,10,6,15
Run your correlation analysis. Your cells should include your
deviations, squared deviations (including, SSx and SSy), products
(including SP), computed r coefficient, computed t-value, degrees
of freedom, and critical t-value.
Grading Rubric:
1 point: Deviations accurate
2 point: Squared deviations accurate
1 point: Products accurate
1 point: r coefficient accurate
0.5 point: computed t-value accurate
0.5 point: critical t-value accurate
Each month, the owner of a restaurant records y=monthly sales
receipts and x=amount spent that month...
Each month, the owner of a restaurant records y=monthly sales
receipts and x=amount spent that month on advertising, both in
thousands of dollars. For the first four months of operation, the
observations are as shown in the table.
Advertising Sales
0 4
1 7
3 9
5 11
a.Find the mean and standard deviation for each variable.
b.Find the values for a and b in the regression line.
c. Find the correlation coefficient. Interpret the relationship
between two variables using...