In an analysis of variance where the total sample size for the experiment is nt and the number of populations is k, the mean square due to error is group of answer choices a. sse/(nt - k). b. sstr/(nt - k). c. sse/(k - 1). d. sstr/k.

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60