Answer:
"((6))" is known number that we can't place any other numbers instead of it
but
"((a))" is unknown number that we can place any other number we want instead of it.
that's the defference between them.
You need to multiply the answer by how many people got that amount, Jan +her 2 friends would be 3 people so
32.19 x 3 = 96.57
Answer:
29.7 is the standard deviation :)
The addition of the row and column shows that the number of people polled will be 166.
<h3>How to calculate the number?</h3>
From the information given, the guest thing to do is to add the column. This will be:
= 48 + 118 = 166
Also, it's important to add the row. This will be:
= 69 + 97 = 166
Therefore, the number of people polled will be 166.
Learn more about column on:
brainly.com/question/1788884
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If there were 49 cars in a line that stretched 528 feet, what is the average car length? assume that the cars are lined up bumper-to-bumper
Answer: We are given there are 49 cars
Also these 49 cars are in a line stretched 528 feet.
Now the average length of the car is:
Average length = 
=
Therefore, the average length of car is 10.78 feet