Question
Data from a small bookstore are shown in the accompanying table. The manager wants to predict Sales from Number of Sales People Working. Complete parts
Data from a small bookstore are shown in the accompanying table. The manager wants to predict Sales from Number of Sales People Working. Complete parts a through h below.
|
| ||
| Number of sales people working | Sales (in $1000) | |
|---|---|---|
| 3 | 10 | |
| 4 | 11 | |
| 5 | 13 | |
| 9 | 15 | |
| 11 | 18 | |
| 11 | 20 | |
| 12 | 20 | |
| 14 | 23 | |
| 17 | 23 | |
| 20 | 25 | |
| x overbar x=10.6 | y overbar y=17.8 | |
| SD(x)=5.56 | SD(y)=5.31 | |
a) Find the slope estimate, b1.
b1=???? (Round to two decimal places as needed.)
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Information Technology Auditing
Authors: James A. Hall
4th edition
1133949886, 978-1305445154, 1305445155, 978-1133949886
