A company keeps extensive records on its new salespeople on the premise that sales should increase with experience. A random sample seven new salespeople produced the data on experience and sales shown in the table. Monthly Sales y ($ thousands) Months on Job 2.4 4 7.0 11.3 12 15.0 1 .8 3.7 12.0 = 5.8571, and y = 7.4571. Write the estimate of linear Summary statistics yield SSXX = 94.8571, SSxy = 124.7571, SSyy = 176.5171, regression line and write the estimate of the slope and intercept separately first.

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A company keeps extensive records on its new salespeople on the premise that sales should increase with experience. A random sample of
seven new salespeople produced the data on experience and sales shown in the table.
Months on Job
Monthly Sale s
y ($ thousands)
2
2.4
7.0
11.3
12
15.0
1
.8
3.7
12.0
Summary statistics yield SSXX = 94.8571, SSxy = 124.7571, SSyy = 176.5171, x = 5.8571, and y = 7.4571. Write the estimate of linear
%3D
regression line and write the estimate of the slope and intercept separately first.
Transcribed Image Text:A company keeps extensive records on its new salespeople on the premise that sales should increase with experience. A random sample of seven new salespeople produced the data on experience and sales shown in the table. Months on Job Monthly Sale s y ($ thousands) 2 2.4 7.0 11.3 12 15.0 1 .8 3.7 12.0 Summary statistics yield SSXX = 94.8571, SSxy = 124.7571, SSyy = 176.5171, x = 5.8571, and y = 7.4571. Write the estimate of linear %3D regression line and write the estimate of the slope and intercept separately first.
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