Given
Quadratic model
Find
number of salespeople maximizes the company's profits
Explanation
as we see from the curve that maximum monthly profit is between 35 to 40 ,
so , it is approximately near to 37 sales people.
Final Answer
Hence , the best option is B
The answer is key to your success and for that to happen you need to not be lazy and do it your self
Answer:
A.
Step-by-step explanation:
Is there a picture we can see ?
⇒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.