ajay67
09.12.2021 •
Mathematics
1
There are 3 statistics teachers is a classroom. Their ages 30, 40 od 50. A 40 year old stais
cates fe classe
A The meze age and variance will decrease.
B. The meze age will decrease sad varizace increase
C. The meze age will increase sed variance will decrease.
D. The me age and variance will increase
E The meze age will stay the same and varizace will decrease.
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