<PRE><B>Question 145237</B>
Data Set Telephone Hold Time (min.) for Concert Tickets CallWait
Operators (X) Wait Time (Y)
4 385
5 335
6 383
7 344
8 288
Use the data from Exercise #12.3 (page 497) and 
(a) Plot a scatter diagram,
Not possible on this site.
------------------- 
(b) Show the equation on the plot using the trendline option of Excel,
y = -18.5x + 458
-------------------------- 
(c) State the value of the slope: -18.5 
(d) State the value of the intercept: 458
================
Cheers,
Stan H.
</PRE>