Take a Test - Olivia Marchioni - Google Chrome https://www.mathxl.com/Student/Player Test.aspx?testId=187248544¢erwin=yes STP 226 2018 FALL B Online Irwin Quiz: Ch 12 Quiz: ChiSquare Procedure This Question: 1 pt CenturyLink 2 of 10 (6 complete) Olivia Marchioni 11/27/18 10:53 AM X Submit Quiz This Quiz: 10 pts possible A sociologist randomly selects 384 females 15 to 19 years old and asks each to disclose her family structure at age 14 and whether she has had sexual intercourse. Use the results in the accompanying table to complete parts (a) through (1) below. BEE Click the icon to view the data table of family structure and sexual activity. P-value= (Round to three decimal places as needed.) Make the proper conclusion. Choose the correct answer below. OA. The P-value is less than a, so do not reject Ho. There is not sufficient evidence at the a=0.05 level of significance to conclude that sexual activity and family structure are related. OB. The P-value is greater than a, so reject Ho. There is sufficient evidence at the a=0.05 level of significance to conclude that sexual activity and family structure are related. C. The P-value is greater than a, so do not reject Ho. There is not sufficient evidence at the a=0.05 level of significance to conclude that sexual activity and family structure are related. OD. The P-value is less than a, so reject Ho. There is sufficient evidence at the = 0.05 level of significance to conclude that sexual activity and family structure are related. (e) Compare the observed frequencies with the expected frequencies. Which cell contributed most to the test statistic? The cell for females who sexual intercourse and lived with Was the expected frequency greater than or less than the observed frequency? contributed most to the test statistic. Data table of family structure and sexual activity X The observed frequency was than the expected frequency. What does this information tell you? OA. There were not enough subjects in the sample to form any conclusions from the data. OB. This means that family structure does not seem to have an effect on whether or not a child has had sexual intercourse. OC. This means that family structure seems to have an effect on whether or not a child has had sexual intercourse. Click to select your answer(s). Type here to search hp Had sexual Both Biological or intercourse Single Parent Adoptive Parents Parent and Stepparent Nonparental Guardian Yes 64 No 87 33 20 44 58 38 40 Print Done brt sc 12:53 PM 11/27/2018 delete home and pe da backspace num lock