To find: The P -value using table and calculator.
Answer to Problem 3.1CYU
The value is 0.000059.
Explanation of Solution
Given:
The table is:
Use Facebook | Main Campus | Common wealth |
Several times a month or less | 55 | 76 |
At least once a week | 215 | 157 |
At least once a day | 640 | 394 |
Total Facebook users | 910 | 627 |
Calculation:
The degree of freedom is calculated as:
The P -value at 2 degree of freedom using table C is:
Now, the P -value using calculator is calculated as:
Thus, the required P- value is 0.000059.
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