It is believed that the number of drivers who are ticketed for speeding on a particular stretch of highway is a Poisson distribution with a mean of 3.5 per hour. A random sample of 100 hours is selected with the following results:
X Frequency
0 5
1 10
2 20
3 18
4 20
5 15
6 4
7 6
8 1
9 2
100
Given this information, and without regard to whether there is a need to combine cells due to expected cell frequencies, the critical value for testing whether the distribution is Poisson with a mean of 3.5 per hour at an alpha level of .05 is x2 = 15.5073.
Indicate whether the statement is true or false
Question 2
A dependent variable is the variable that we wish to predict or explain in a regression model.
Indicate whether the statement is true or false
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