Friday the 13th, accidents The researchers in Exercise 15 also examined the number of people admitted to
Question:
Friday the 13th, accidents The researchers in Exercise 15 also examined the number of people admitted to emergency rooms for vehicular accidents on 12 Friday evenings (6 each on the 6th and 13th).
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Paired t-Test of ((1 - 2) = 0 vs. ( (l - 2) Mean of Paired Differences = -3.333
t-Statistic = -2.7116 with 5 df
P = 0.0211
2-Sample t-Test of (l = (2 VS (l Difference Between Means = -3.333
t-Statistic = -1.6644 with 9.940 df
P = 0.0636
a) Which of these tests is appropriate for these data? Explain.
b) Using the test you selected, state your conclusion.
c) Are the assumptions and conditions for inference met?
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a The paired ttest is appropriate sincewe have pairs of Fri...View the full answer
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Related Book For 
Stats Data And Models
ISBN: 662
4th Edition
Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock
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