Consider the following:
Summary Count Sum Average Variance
1 4 443 110.8 468.9
2 4 275 68.8 72.9
3 4 1,030 257.5 1891.7
4 4 300 75.0 433.3
5 4 603 150.8 468.9
6 4 435 108.8 72.9
7 4 1,190 297.5 1891.7
8 4 460 115.0 433.3
Sample 1 8 1,120 140.0 7142.9
Sample 2 8 1,236 154.5 8866.6
Sample 3 8 1,400 175.0 9000.0
Sample 4 8 980 122.5 4307.1
ANOVA
Source of Variation SS df MS F p-value F-crit
Rows 199,899 7 28557.0 112.8 0.0000 2.488
Columns 11,884 3 3961.3 15.7 0.0000 3.073
Error 5,317 21 253.2
Total 217,100 31
How many blocks were used in this study?
A) 10
B) 9
C) 7
D) 8
D
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