Inferential Statistics

(c) Carry out a test of significance to decide whether Cal Poly students tend to carry less than 10% of their body weight.

1. Define the parameter(s) of interest. [Hint: Is the response variable quantitative or categorical?]

2. State the hypotheses both in symbols and in words.

3. Identify an appropriate test procedure and state and if a theory-based test comment on the validity conditions.

4. Use technology to determine a test statistic and p-value for these hypotheses.Also report a 95% confidence for the parameter of interest.

Press one of the links below to view the appropriate technology instructions.

JMP Minitab R Applets

Copy the relevant output into your report.

5. State your decision and summarize your conclusions in context. Be sure to reference information from the output! (Meaning, cite the test statistic, p-value, and confidence interval!)


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