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Author Question: The Department of Transportation would like to test the hypothesis that the average age of cars on ... (Read 49 times)

nautica902

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The Department of Transportation would like to test the hypothesis that the average age of cars on the road is less than 12 years. A random sample of 45 cars had an average age of 10.6 years.
 
  It is believed that the population standard deviation for the age of cars is 4.1 years. The Department of Transportation would like to set  = 0.05. The critical value for this hypothesis test would be ________.A) 1.28
  B) 1.645
  C) 2.575
  D) 1.96

Question 2

With one-way ANOVA, we will have a greater chance of rejecting the null hypothesis when more variation in the data is due to the SSB rather than the SSW.
 
  Indicate whether the statement is true or false


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meganmoser117

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nautica902

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Reply 2 on: Jun 24, 2018
Excellent


xoxo123

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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