-5 is the answer I believe
Answer:
B. Sample error.
Step-by-step explanation:
Such type of error is called Sample error.
Sample error occurs when
Sample error is a statistical error when an expert fails to choose a sample which symbolizes the whole data population and the outcomes of the sample do not reflect the outcomes from the whole population.
12x23=276
15x5=75
276+75=351
Your answer is 351 square feet
C.100, I know the answer because I learnt that a couple of weeks ago!