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Do people with smartphones have similar CD buying habits as those without smartphones? A survey asks a group of students if they buy CDs or
Do people with smartphones have similar CD buying habits as those without smartphones? A survey asks a group of students if they buy CDs or not. It also asks if the students own a smartphone or not. The researchers want to determine if the distribution of CD buying is the same for smartphone owners as for those without smartphones. The data are recorded in the contingency table below, and a chi-square Homogeneity Test at the 5% significance level is performed. CDS No CDS Row Total Smartphone 23 22 45 No Smartphone 6 25 31 Column Total 29 47 76 The null and alternative hypotheses are: . Ho: The distribution of the two populations are the same. . Ha : The distribution of the two populations are not the same. Compute the test statistic, rounded to one decimal place
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