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C12. Based on the 2018 GSS, we compare church attendance (ATTEND) between lower- and upper-class respondents. ATTEND is an ordinal measure: 0 = never, 1 = less than once a year, 2 = once a year, 3 = several times a year, 4 = once a month, 5 = 2-3 times a month, and 6 = nearly every week. A lower score indicates lower church attendance. %3D %3D Group Statistics Subjective class identification Std. Deviation Std. Error Mean N. Mean How often R attends religious services LOWER CLASS 137 2.99 2.949 .252 UPPER CLASS 53 3.51 2.946 .405 Independent Samples Test Levene's Test for Equality of Variances Sig. (2- tailed) F How often R attends religious services Sig. df Equal variances assumed .161 .689 -1.083 .280 188 Equal variances not assumed -1.084 94.704 .281

C12. Based on the 2018 GSS, we compare church attendance (ATTEND) between lower- and upper-class respondents. ATTEND is an ordinal measure: 0 = never, 1 = less than once a year, 2 = once a year, 3 = several times a year, 4 = once a month, 5 = 2-3 times a month, and 6 = nearly every week. A lower score indicates lower church attendance. %3D %3D Group Statistics Subjective class identification Std. Deviation Std. Error Mean N. Mean How often R attends religious services LOWER CLASS 137 2.99 2.949 .252 UPPER CLASS 53 3.51 2.946 .405 Independent Samples Test Levene's Test for Equality of Variances Sig. (2- tailed) F How often R attends religious services Sig. df Equal variances assumed .161 .689 -1.083 .280 188 Equal variances not assumed -1.084 94.704 .281

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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a. Interpret the group means for lower- and upper-class respondents. Which group attends church more often? b. Assume alpha = 0.05 for a two-tailed test. What can you conclude about the difference in church attendance between the two groups? c. If alpha were changed to 0.01, would your Step 5 decision change? Explain.
Transcribed Image Text:a. Interpret the group means for lower- and upper-class respondents. Which group attends church more often? b. Assume alpha = 0.05 for a two-tailed test. What can you conclude about the difference in church attendance between the two groups? c. If alpha were changed to 0.01, would your Step 5 decision change? Explain.
**C12. Analysis of Church Attendance by Social Class** In this section, we analyze data from the 2018 General Social Survey (GSS) to compare church attendance (ATTEND) between lower- and upper-class respondents. The "ATTEND" variable is an ordinal measure with the following scale: - 0 = never - 1 = less than once a year - 2 = once a year - 3 = several times a year - 4 = once a month - 5 = 2–3 times a month - 6 = nearly every week A lower score indicates less frequent church attendance. **Group Statistics** | Subjective Class Identification | N | Mean | Std. Deviation | Std. Error Mean | |---------------------------------|-----|------|----------------|-----------------| | LOWER CLASS | 137 | 2.99 | 2.949 | .252 | | UPPER CLASS | 53 | 3.51 | 2.946 | .405 | **Explanation:** - **Lower Class**: - Sample size (N) = 137 - Mean attendance score = 2.99 - Standard deviation = 2.949 - Standard error mean = 0.252 - **Upper Class**: - Sample size (N) = 53 - Mean attendance score = 3.51 - Standard deviation = 2.946 - Standard error mean = 0.405 The data shows that upper-class respondents have a slightly higher mean attendance score than lower-class respondents. **Independent Samples Test** | | Levene’s Test for Equality of Variances | | | | |-----------------------------------------|----------------------------------------|---------------|--------|----------| | | F | Sig. | t | df | Sig. (2-tailed) | | How often R attends religious services | Equal variances assumed | .161 | .689 | -1.083 | 188 | .280 | | | Equal variances not assumed | | | -1.084 | 94.704 | .281 | **Explanation:** - **Equal variances assumed**: - F = 0.161 - Significance = 0.689 - t
Transcribed Image Text:**C12. Analysis of Church Attendance by Social Class** In this section, we analyze data from the 2018 General Social Survey (GSS) to compare church attendance (ATTEND) between lower- and upper-class respondents. The "ATTEND" variable is an ordinal measure with the following scale: - 0 = never - 1 = less than once a year - 2 = once a year - 3 = several times a year - 4 = once a month - 5 = 2–3 times a month - 6 = nearly every week A lower score indicates less frequent church attendance. **Group Statistics** | Subjective Class Identification | N | Mean | Std. Deviation | Std. Error Mean | |---------------------------------|-----|------|----------------|-----------------| | LOWER CLASS | 137 | 2.99 | 2.949 | .252 | | UPPER CLASS | 53 | 3.51 | 2.946 | .405 | **Explanation:** - **Lower Class**: - Sample size (N) = 137 - Mean attendance score = 2.99 - Standard deviation = 2.949 - Standard error mean = 0.252 - **Upper Class**: - Sample size (N) = 53 - Mean attendance score = 3.51 - Standard deviation = 2.946 - Standard error mean = 0.405 The data shows that upper-class respondents have a slightly higher mean attendance score than lower-class respondents. **Independent Samples Test** | | Levene’s Test for Equality of Variances | | | | |-----------------------------------------|----------------------------------------|---------------|--------|----------| | | F | Sig. | t | df | Sig. (2-tailed) | | How often R attends religious services | Equal variances assumed | .161 | .689 | -1.083 | 188 | .280 | | | Equal variances not assumed | | | -1.084 | 94.704 | .281 | **Explanation:** - **Equal variances assumed**: - F = 0.161 - Significance = 0.689 - t
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