You carry out a randomization test for these data using a simulation of 100 rand

Question

You carry out a randomization test for these data using a simulation of 100 randomizations and obtain the following plot:

where p1 is the probability of ever having been in a car accident for males and p2 is the probability of ever having been in a car accident for females.

a) What does each dot on the randomization plot represent?

b) Using the plot, find the empirical p-value for the test Ho: p1 - p2 = 0 vs. Ha: p1 - p2 > 0.

Randomization Dotplot of ,. Null Hypothesis: P1 =P2 40Left Tail Two-TailRight Tail samples= 100 mean = 0.017 St. dev. = 0.175 30 20 10 0.5 0.3 0.1 0.1 0.2 0.3 null = 0 0.4 0.5

Explanation / Answer

a. It represent one observation.

b. The emperical p value is 0.000.

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