Given below are the data of the average productivity (X) and average salary (Y) of 10 different districts.

[i] Obtain the regression equation i i i Y = ????+????X +???? and comment on your results.
[ii] Obtain the ˆ var(????) and hence the standard error of ˆ
????
.
[iii] Do you think the relationship between Y and X is statistically significant at a 5% level of significance? Justify.
[iv] Calculate R2 and Adjusted R2 . Explain your results.
[v] Obtain 95% and 90% confidence intervals for ???? and explain your results.

Average productivity (X) in USD) Average salary (Y) in USD) 50 619 51 9 10 9 52 54 53 11 57 13 60 12 43 14 68 15 88 18 92 20 98