Question: The same poll as in Exercise has asked about social

The same poll as in Exercise has asked about social networking over several years and for different age groups.
Here is a table of responses:
a) Under the usual null hypothesis, what are the expected values?
b) Compute the x2 statistic.
c) How many degrees of freedom does it have?
d) What do you conclude?

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  • CreatedMay 15, 2015
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