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Does a person's educational level affect his or her decision about marrying? A survey asked a random sample of 1397 U.S. adults about their education level and marital status. The results are summarized below.
Education and Marital Status
Education Level
Marital Status Less HS HS College Total
Single/Widowed 6 115 256 377
Married 18 256 442 716
Divorced 13 136 155 304
Total 37 507 853 1397
(a) The cell with the highest observed count contains a value of 442. What is the expected count for this cell? (3 decimal places)
(b) The test statistic for this data has a value of 22.189. Use the Chi-Square calculator to find the P-value.
P-value = (3 decimal places)
Sagot :
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