The answer to a statistical question includes variability in data. Choose ALL examples of statistical questions. A)How much do the animals on the farm weigh?B)How old are all the teachers at the school?C)How old is the oldest teacher at the school?D)How much does the black and white puppy weigh?E)How many students ate lunch in the cafeteria today?

answer: a and b

step-by-step explanation:

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have

12

step-by-step explanation:

12 + 5 = 17

12x2=24

24-7=17

step-by-step explanation: