Answer:
Step-by-step explanation:
Given that
We have slope of linear regression line is
So regression line would be of the form
(since it passes through xbar, y bar)
is the equation of regression line.
At a zoo an elephant eats roughly 5 percent its body wait each day. If an elephant eats 300 pounds of food a day, how much does
1 answer:
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Answer:
$20 per sweater.
Step-by-step explanation:
It is given that,
A store buys 7 sweaters for $42 and sells them for $182.
We need to find how much profit the store make per sweater.
The amount the store bought the sweaters fr is calculated as follows :
$182- $42 = $140
Profit the store made per sweater is given by :
Hence, the store will make $20 per sweater.