Answer:
For each histogram bar, we start by multiplying the central x-value to the corresponding bar height. Each of these products corresponds to the sum of all values falling within each bar. Summing all products gives us the total sum of all values, and dividing it by the number of observations yields the mean.
Step-by-step explanation:
I hope this helps! :)
Answer:
12
Step-by-step explanation:
you divide 36 by 3 and get z = 13
Plug in the volume and radius into the formula, then multiply.
Answer:
$104,000
The probability that the average salary between two groups is the same, is actually low. It could be close, but it's quite difficult to get the same exact amount.