Homework 4: Probability and z scores
Use the data to answer the following questions
Show all work...
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Statistics
Homework 4: Probability and z scores
Use the data to answer the following questions
Show all work (*round 2 decimals places)
What is the mean & SD for the distribution of scores?
What is the corresponding z score for each raw score?
What is the probability of getting a raw score greater than4?
What is the probability of getting a raw score less than2?
What is the probability of a raw score between 4 & 6?
What is the probability of a raw score between 3 & 6?
Variable 2: # of traffic violations
2
5
5
3
2
1
1
6
2
4
Answer & Explanation
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The data points which is the number of traffic violationsare2 5 5 3 2 1 1 6 2 41 mean is the average of the data points 255321162410 31The standard deviation formula is
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