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Question

A multiple regression analysis produced the following tables.

 Coefficients Standard Error t Statistic p-value





Intercept 1411.876 762.1533 1.852483 0.074919
x1 35.18215 96.8433 0.363289 0.719218
x12 7.721648 3.007943 2.567086 0.016115


df SS MS F
Regression 2 58567032 29283516 57.34861
Residual 25 12765573 510622.9
Total 27 71332605


The sample size for this analysis is ____________.
a) 28
b) 25
c) 30
d) 27
e) 2

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