Data from 1991 General Social Survey classify a sample of Americans according to their gender and...

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Data from 1991 General Social Survey classify a sample ofAmericans according to their gender and their opinion aboutafterlife (example from A. Agresti, 1996, “Introduction tocategorical data analysis”). The opinions about afterlife wereclassified into two categories: Yes and No (or undecided). Forexample, for the females in the sample - 435 said that theybelieved in an afterlife and 147 said that they did not or wereundecided.
Gender
Belief in Afterlife
Yes
No or Undecided
Females
435
147
Males
375
134
Estimate the proportion of females who believed in an afterlife(Use a 95% Confidence Interval).
Sample proportion:
Std error for sample proportion
Confidence interval:
Lower boundary
Upper boundary
Test hypothesis that the majority of females (that is, more than50% females) believed in an afterlife.
- Using a z-score test
Null hypothesis
Research hypothesis
Value of the test statistics
Critical value used in your decision making
State your conclusion
Using c² test
Categories
Expected ps
Expected frequencies
Observed frequencies
Chie-square calculations
Yes
No
Null hypothesis
Research hypothesis
Value of the test statistics
Critical value used in your decision making
State your conclusion

Answer & Explanation Solved by verified expert

4.5 Ratings (989 Votes)

Sample proportion isThe standard error isFor 95 confidence interval using excel functionNORMSINV0975 critical value of z will be Confidence interval for See Answer

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Sample proportion:
Std error for sample proportion

Confidence interval:
Lower boundary
Upper boundary

Gender	Belief in Afterlife
Gender	Yes	No or Undecided
Females	435	147
Males	375	134

Null hypothesis
Research hypothesis
Value of the test statistics
Critical value used in your decision making
State your conclusion

Categories	Expected ps	Expected frequencies	Observed frequencies	Chie-square calculations
Yes
No