The same poll as in Exercise has asked about social networking over several years and for different

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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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Business Statistics

ISBN: 9780321925831

3rd Edition

Authors: Norean Sharpe, Richard Veaux, Paul Velleman

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