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Chapter 11: Q. 3.1 (page 705)

Use FacebookMain CampusCommon wealthSeveral times a month or less5576At least once a week215157At least once a day640394Total Facebook users910627

Use Table C to find the p-value. Then use your calculator’sχ2cdf command.

Short Answer

Expert verified

The value is0.000059.

Step by step solution

01

Given Information

Use FacebookMain CampusCommon wealthSeveral times a month or less5576At least once a week215157At least once a day640394Total Facebook users910627

02

Explanation

The degree of freedom is calculated as:

Degreeoffreedom=(Numberofrows-1)(Numberofcolumns-1)

=(3-1)(2-1)=2

The p-value at 2degree of freedom using table C is:

P-value=Pχ2>|19.49|

=0.000059

Now, the p-value using calculator is calculated as:

Thus, the required p-value is0.000059.

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