Pop-Up Coffee Vendors Have Been Popular in the City of Adelaide

question 152

Essay

Pop-up coffee vendors have been popular in the city of Adelaide in 2013. A vendor is interested in knowing how temperature (in degrees Celsius) impacts daily hot coffee sales revenue (in $00's).
A random sample of 6 days was taken, with the daily hot coffee sales revenue and the corresponding temperature of that day noted. $$\begin{array} { | c | c | } \hline \text { Coffee sales revenue } & \text { Temperature } \\\hline 6.50 & 25 \\\hline 10.00 & 17 \\\hline 5.50 & 30 \\\hline 4.50 & 35 \\\hline 3.50 & 40 \\\hline 28.00 & 9 \\\hline\end{array}$$ a. Find the least squares regression line.
b. Interpret the slope.

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Definitions:

Minimum Lease Payments

The least amount of payments over the leasing period, including any residual value, guaranteed by the lessee under a lease agreement.

Unearned Interest

Interest that has been collected on a loan by a lender but not yet earned, usually because the loan has not reached its maturity.

Lessor's Financial Statements

Financial documents provided by the owner (lessor) reflecting the financial health and performance of assets leased out.

Contra-Asset

A contra-asset account is a negative asset account that offsets the balance on the asset account with which it is paired.