Tina placed a 15 meter rope along one side of the bicycle path. She hung a ribbon on each end of the rope and every 3 meters in-
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Answer:
2.304
Step-by-step explanation:
Given that x be a random variable that represents the pH of arterial plasma (i.e., acidity of the blood).
(Two tailed test at 5% level)
Mean difference =
b) Here we can use only t test since population std deviation is not known.
df = n-1 = 30
Test statistic t = mean diff/std error = 2.304
p value = 0.028