3. A researcher randomly selects a sample of 61 former student leaders from a list of graduates of UNCG who had participated in leadership positions while a student. She discovered that it has taken an average of 4.97 years for these student leader graduates to finish their degrees, years. with a standard deviation of 1.23. The average for the entire student body is 4.56 the difference between student leaders and the entire student population statistically significant at the alpha=.05 level? Hint: Follow the 5 step method for hypothesis testing to see if it is significant. Make sure that you show the results of your t tests and interpret your results in terms of the original research question. (Note the sample size, be sure to use the T distribution, Appendix C, rather than the Z distribution in Appendix B). Is

Question

A researcher randomly selects a sample of 61 former student leaders from a list of graduates of UNCG who had participated in leadership positions while a student. She discovered that it has taken an average of 4.97 years for these student leader graduates to finish their degrees, with a standard deviation of 1.23. The average for the entire student body is 4.56 years. Is the difference between student leaders and the entire student population statistically significant at the alpha=.05 level? Hint: Follow the 5step method for hypothesis testing to see if it is significant. Make sure that you show the results of your t-tests and interpret your results in terms of the original research question. (Note the sample size, be sure to use the T distribution, Appendix C, rather than the Z distribution in Appendix B).

3.
A researcher randomly selects a sample of 61 former student leaders from a list of graduates
of UNCG who had participated in leadership positions while a student. She discovered that it
has taken an average of 4.97 years for these student leader graduates to finish their degrees,
years.
with a standard deviation of 1.23. The average for the entire student body is 4.56
the difference between student leaders and the entire student population statistically
significant at the alpha=.05 level? Hint: Follow the 5 step method for hypothesis testing to
see if it is significant. Make sure that you show the results of your t tests and interpret your
results in terms of the original research question. (Note the sample size, be sure to use the T
distribution, Appendix C, rather than the Z distribution in Appendix B).
Is
Expand
Transcribed Image Text

3. A researcher randomly selects a sample of 61 former student leaders from a list of graduates of UNCG who had participated in leadership positions while a student. She discovered that it has taken an average of 4.97 years for these student leader graduates to finish their degrees, years. with a standard deviation of 1.23. The average for the entire student body is 4.56 the difference between student leaders and the entire student population statistically significant at the alpha=.05 level? Hint: Follow the 5 step method for hypothesis testing to see if it is significant. Make sure that you show the results of your t tests and interpret your results in terms of the original research question. (Note the sample size, be sure to use the T distribution, Appendix C, rather than the Z distribution in Appendix B). Is

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