A sociologist randomly selects 3B8 females 15 to 19 years old and asks each complete parts (a) through (f) below. E Click the icon to view the data table of family structure and sexual activity. disclose her family structure at age 14 and whether she has had sexual intercourse. Use the results in the accompanying table to UR M: Sexuar activiry ano tamy structure are oepenaent. H: Sexual activity and family structure are independent. - X Data table of family strocture and sexual activity OB. Ho: P,p, P P4 H: At loast one proportion is different from the others. Had sexual intercourse Both Biological or Adoptive Parents Non-parental o Guardian Single Parent C. H: Sexual activity and family structure are independent. H,: Sexual activity and family structure are dependent. Parent and Stepparent 46 37 61 63 88 Yes OD. H P -E, and u, -E, and u, -E, and p - E, H,: At least one mean is different from what is expected. No 40 20 (d) Compute the chi-square test statistic. Print Done

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A sociologist randomly selects 388 females 15 to 19 years old and asks each
complete parts (a) through (f) below.
E Click the icon to view the data table of family structure and sexual activity.
disclose her family structure at age 14 and whether she has had sexual intercourse. Use the results in the accompanying table to
DA Hy: Sexual activity ana tamiy structure are oepenaent.
H,: Sexual activity and family structure are independent.
Data table of family structure and sexual activity
OB. H: P, =P, =P3 =P4
H,: At least one proportion is different from the others.
Both Biological
or Adoptive
Parent and
Stepparent
Non-parental E
Guardian
Single Parent
YC. H: Sexual activity and family structure are independent.
H, Sexual activity and family structure are dependent.
Had sexual
intercourse
Parents
Yes
61
63
33
46
OD. H P = E, and , =E, and u, =E, and u = E
H,: At least one mean is different from what is expected.
No
40
88
20
(d) Compute the chi-square test statistic.
Print
Done
Z = (Round to three decimal places as needed.)
Enter your answer in the answer box and then click Check Answer.
>
Transcribed Image Text:A sociologist randomly selects 388 females 15 to 19 years old and asks each complete parts (a) through (f) below. E Click the icon to view the data table of family structure and sexual activity. disclose her family structure at age 14 and whether she has had sexual intercourse. Use the results in the accompanying table to DA Hy: Sexual activity ana tamiy structure are oepenaent. H,: Sexual activity and family structure are independent. Data table of family structure and sexual activity OB. H: P, =P, =P3 =P4 H,: At least one proportion is different from the others. Both Biological or Adoptive Parent and Stepparent Non-parental E Guardian Single Parent YC. H: Sexual activity and family structure are independent. H, Sexual activity and family structure are dependent. Had sexual intercourse Parents Yes 61 63 33 46 OD. H P = E, and , =E, and u, =E, and u = E H,: At least one mean is different from what is expected. No 40 88 20 (d) Compute the chi-square test statistic. Print Done Z = (Round to three decimal places as needed.) Enter your answer in the answer box and then click Check Answer. >
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