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NSCC is investigating whether their classes cause an increase in stress level in students which can be identified by an increased standing pulse...
1. NSCC is investigating whether their classes cause an increase in stress level in students which can be identified by an increased standing pulse rate. Test, using a significance level of alpha=0.05 whether the population of NSCC students have a higher pulse rate than the national average of 72 bpm for adults.
A. State the claim and the null and alternate hypotheses. Is the test left, right,or two-tailed?
B. Find the sample mean, sample Standard Deviation, and sample size of the pulse rate variable. Denote with the proper symbols.
C. Find the p-value of the getting the sample data by chance.
D. Decision: reject H0 or fail to reject H0 ?
E. Conclude the result of the test in context of the situation and in a statement that is understandable to a non-statistician.
