Null and alternative hypothesis (give both in symbolic form and sentence form): Test statistic and p-value (show the calculation or show what you entered into the calculator (screenshots are ok here)): Technical conclusion, circle one: reject the null hypothesis or fail to reject the null hypothesis Why did you choose to reject or fail to reject the null hypothesis? Nontechnical conclusion addressing the original claim:
4. A researcher wishes to determine whether the blood pressure of vegetarians is, on
average, lower than the blood pressure of nonvegetarians. Independent simple random
samples of 85 vegetarians and 75 nonvegetarians yielded the following sample statistics
for systolic blood pressure. Test the claim that vegetarians have lower blood pressure than nonvegetarians. Use a 0.05 level of significance.
Vegetarians Non Vegetarians
n=85 n=75
Mean=124.1mmHg Mean=138.7mmHg
St dev=38.7mmHg St dev=39.2mmHg
Null and alternative hypothesis (give both in symbolic form and sentence form):
Test statistic and p-value (show the calculation or show what you entered into the calculator (screenshots
are ok here)):
Technical conclusion, circle one: reject the null hypothesis or fail to reject the null hypothesis
Why did you choose to reject or fail to reject the null hypothesis?
Nontechnical conclusion addressing the original claim:
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