Answer:
The number of apartment buildings in the sample was 9.
Explanation:
The ANOVA table is as follows:
ANOVA
df SS MS F Significance F
Regression 1 41587.1 __ ___ ____
Residual 7 ___ __ ___ ____
Total 8 51984.8 __ ___ ____
The degrees of freedom of Total is, n - 1.
Compute the sample size as follows:
DF of total = n - 1
8 = n - 1
n = 9
Thus, the number of apartment buildings in the sample was 9.