Assignment:
Find the 95% confidence interval for the amounts that your regular customers spent on your products last month, viewing the data from Table as a random sample of customer orders.
| TABLE : Last Month's Sales |
| Customer |
Sales ($000) |
Customer |
Sales ($000) |
| Consolidated, Inc |
$142 |
Associated, Inc |
$93 |
| International, LW |
21 |
Structural, Inc |
17 |
| Business Corp |
41 |
Communications Co |
174 |
| Computer Corp |
10 |
Technologies, Inc |
420 |
| Information Corp |
7 |
Complexity, Ltd |
13 |
Provide complete and step by step solution for the question and show calculations and use formulas.