In: Statistics and Probability
Last month, the TSE Index's monthly rate of return was 1.5%. This is, at the end of last month the value of the TSE Index was 1.5% higher than at the beginning of last month. With 95% confidence, find the last month's rate of return on Acme Oil and Gas stock.
TSERofReturn | AcmeofReturn
-0.53808 |
1.69139 |
-1.30760 |
0.62487 |
1.55857 |
1.29760 |
-0.61615 |
-1.96510 |
0.36527 |
-1.66576 |
-0.72767 |
0.72052 |
1.24631 |
3.02357 |
-0.72767 |
1.56045 |
0.36527 |
1.71184 |
-1.96559 |
-4.36035 |
-0.79459 |
-1.10648 |
-1.02879 |
-0.40621 |
0.34296 |
-1.51823 |
-0.77228 |
-3.68446 |
-0.70537 |
1.59162 |
0.57716 |
0.48001 |
-0.38195 |
-1.07485 |
1.71471 |
-1.82605 |
1.13478 |
1.16997 |
0.91173 |
-0.62504 |
1.51396 |
-0.15868 |
-2.17748 |
-2.69962 |
-1.15146 |
-2.83833 |
-2.57897 |
0.51004 |
-0.13659 |
0.17946 |
0.11991 |
-1.99079 |
3.18683 |
3.10854 |
1.07902 |
0.58272 |
0.85597 |
-1.53397 |
0.40988 |
0.64832 |
-0.15890 |
-0.29848 |
-0.34849 |
2.42993 |
-0.59384 |
-0.16470 |
1.46935 |
3.40678 |
1.41359 |
1.87236 |
-1.53064 |
-0.56253 |
0.38757 |
-0.95550 |
-0.68306 |
3.42776 |
-0.33734 |
-2.58515 |
0.16452 |
-1.74974 |
0.08646 |
1.08093 |
-0.68306 |
1.73002 |
-2.62358 |
-1.92914 |
-0.46001 |
1.04097 |
-0.03622 |
0.88267 |
0.14222 |
-0.40485 |
0.08646 |
0.75925 |
0.09761 |
-0.94971 |
-0.35964 |
-1.00794 |
-1.09570 |
1.23375 |
-0.43771 |
-1.12598 |
0.20913 |
1.18983 |
0.86712 |
-0.95545 |
-1.16262 |
-2.48756 |
2.45077 |
2.50875 |
0.14222 |
1.02483 |
-0.04737 |
2.32357 |
1.46935 |
-0.06018 |
2.16080 |
0.24494 |
Minitab output:
Regression Analysis: AcmeofReturn versus TSERofReturn
The regression equation is
AcmeofReturn = 0.020 + 0.598 TSERofReturn
Predictor Coef SE Coef T P
Constant 0.0195 0.2156 0.09 0.928
TSERofReturn 0.5980 0.1862 3.21 0.002
S = 1.65612 R-Sq = 15.3% R-Sq(adj) = 13.8%
Analysis of Variance
Source DF SS MS F P
Regression 1 28.300 28.300 10.32 0.002
Residual Error 57 156.336 2.743
Total 58 184.636
Predicted Values for New Observations
New Obs Fit SE Fit 95% CI 95% PI
1 0.916 0.352 (0.212, 1.621) (-2.474, 4.307)
Values of Predictors for New Observations
New Obs TSERofReturn
1 1.50
95% confidence Interval for the last month's rate of return on Acme Oil and Gas stock when Last month, the TSE Index's monthly rate of return was 1.5%: (0.212, 1.621).