For each problem students will write out all steps of hypothesis testing including populations, hypotheses, cutoff...

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For each problem students will write out all steps of hypothesis testing including populations, hypotheses, cutoff scores, and all relevant calculations. Assignments will be typed and uploaded in a word document to blackboard. The average age for licensed drivers in a county is 42.6, with a standard deviation of 12, and the distribution is approximately normal. A county police officer was interested in whether the average age of those receiving speeding tickets is less that the average age of the population who has a license. She obtained a sample of 16 drivers with speeding tickets. The average age for this sample was 34.4. Do all the steps of hypothesis testing using the 0.01 significance level English (United States) Focus

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Answer Date: 01/02/2019 than 42.50 at 1% significance level. The population is entire divers age group who hold license The null and alternative hypothesis is, Ho : μ-42.60 Ha:μ<42.60 Thez-test statisticsis, (o/n 34.40- 42.60 12//16) =-2.73 The z-test statisticsis-2.73

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For each problem students will write out all steps of hypothesis testing including populations, hypotheses, cutoff...

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