An automobile company compares two types of front bumper for their new model by driving sample cars
Question:
a. Find the ranks and the mean rank for each bumper type.
b. Show that there are 20 possible allocations of ranks to the two bumper types.
c. Explain why the observed ranks for the two groups are one of the two most extreme ways the two groups can differ, for the 20 possible allocations of the ranks.
d. Explain why the P-value for the two-sided test equals 0.10.
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Related Book For
Statistics The Art And Science Of Learning From Data
ISBN: 9780321755940
3rd Edition
Authors: Alan Agresti, Christine A. Franklin
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