The following table represents the observed frequencies for the data presented i
ID: 3393489 • Letter: T
Question
The following table represents the observed frequencies for the data presented in exercise 17.24 and the adjusted standardized residuals for each of the cells. Using this information and the criterion of 2 indicate for which of these cells there is a significant difference between the observed and the expected frequencies.
accidents no accidents
rain observed 19 26 45
adjusted
resdual 2.5 -2.5
no rain observed 20 71 91
adjusted
residual -2.5 2.5
39 97 136
Accidents No accidents
Rain 19 20 45
no rain 20 71 91
39 97 136
Please can you help me resolving this problem??
Explanation / Answer
The following table represents the observed frequencies for the data presented i
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