Answer:
x = 42
Step-by-step explanation:
100 - x = 58
-100 -100
-x = -42
*-1 *-1
x = 42
⇒The Variance tells us spread between each variate in data set from mean.
Now, Coming to the Question
⇒Sample of 14 students were taken from a population of 168 students.
Variance =Expected value of square of each variate taken from mean, which can be represented as

Size of Sample taken in terms of Percentage

⇒Sample Size is Approximately only 8.4% of total Population,which is very small, that can't represent the whole Population Variance.
Option B:→ 14 , is most appropriate, which Represents the Variance of 14 student height.
Answer:
A, B, D, and i think F
Step-by-step explanation:
im not sure of F, though.
Answer:-4\8
Step-by-step explanation:
Answer:
13
Step-by-step explanation:
It's not 3.25 because if you simplify 6.5 and 0.5, you get 65 and 5 which if you divide is 13.