Sociologist randomly selects 380 females 15 to 19 years old and asks each to disclose her family structure at age 14 and whether she has had sexual interc Use the results in the accompanying table to complete parts (a) through (f) below. E Click the icon to view the data table of family structure and sexual activity. 16 No 22.74 Data table of family structure and sexual activity (Round to two decimal places as needed.) (b) Verify that the requirements for performing a chi-sq Had sexual Both Biological or Adoptive Parents Single Parent Parent and Stepparent Nonparental YA. All expected frequencies are greater than or eq intercourse Guardian O B. The population is approximately Normal. Yes 32 64 59 45

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Compute the Chi-square test statistic.

 

A sociologist randomly selects 380 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 (f) below.
Click the icon to view the data table of family structure and sexual activity.
16
No
22.74
i Data table of family structure and sexual activity
- X
(Round to two decimal places as needed.)
(b) Verify that the requirements for performing a chi-sq
Both Biological
or Adoptive
Parents
32
16
Had sexual
Parent and
Stepparent
Nonparental
Guardian
Single Parent
A. All expected frequencies are greater than or eq
intercourse
B. The population is approximately Normal.
Yes
64
59
45
YC. No more than 20% of the expected frequencies
No
88
42
34
(c) Compute the chi-square test statistic,
Print
Done
X-(Round to three decimal places as needed.)
Transcribed Image Text:A sociologist randomly selects 380 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 (f) below. Click the icon to view the data table of family structure and sexual activity. 16 No 22.74 i Data table of family structure and sexual activity - X (Round to two decimal places as needed.) (b) Verify that the requirements for performing a chi-sq Both Biological or Adoptive Parents 32 16 Had sexual Parent and Stepparent Nonparental Guardian Single Parent A. All expected frequencies are greater than or eq intercourse B. The population is approximately Normal. Yes 64 59 45 YC. No more than 20% of the expected frequencies No 88 42 34 (c) Compute the chi-square test statistic, Print Done X-(Round to three decimal places as needed.)
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