Fill in these blanks with the frequencies expected if the two variables, type of potential customer and choice of service plan feature, are independent.
ClairLinx Wireless, a start-up cell phone company, has divided its market of potential customers into three major groups: single, working; married, working; and retired. ClairLinx surveyed 500 potential customers and asked each, "Of the following, which do you consider to be the most important feature in a cell phone service plan: free nights and weekends, free long distance and roaming, or free calls to customers with the same company?"
Each of the 500 potential customers in the survey was categorized according to the service plan feature she considers most important and the customer group in which she appears. The data are summarized in the
Round the responses to at least two decimal places.
Note: The ones with the blank lines are the ones I need help with....23,32, and 84...thanks for your help
CHOICE OF SERVICE PLAN FEATURE
| Free Calls to other customers | Free nights and weekends | Free long distance and roaming | Total | ||
| Single, working |
23 _____ |
49 |
84 ______ |
156 | |
| Married, working | 44 | 63 | 87 | 194 | |
| Retired | 29 |
32 _____ |
89 | 150 | |
| Total | 96 | 144 | 260 | 500 | |
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