Here are the numbers of new customers who signed up
Here are the numbers of new customers who signed up for full service during each quarter of last year: 106, 108, 72, and 89.
a. How many would you have expected to see in each quarter if these customers had signed up at exactly the same rate throughout the year?
b. Do the observed numbers differ significantly from those expected in part a? Justify your answer by reporting the chi-squared statistic and its degrees of freedom.
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