Compute the p-value and test the hypothesis

Reference no: EM13121461

The department of economic and community development reported that in 2009 the average number of new jobs created per country was 450. teh department also provided the following information regarding a sample of 5 counties in 2010.

County New Jobs Created on 2010
Bradley 410
Rhea 480
Marion 407
Grundy 428
S 400

1. compute the sample average and the standard deviation for 2010
2. we want to determine whetehr tehre has been a significant decrease in the average number of jobs created. Provide the null and the alternative hypothesis.
3. compute the test statistic.
4. Compute the p-value; and at 95% confidence, test the hypothesis. Assume the population is normally distributed.

Reference no: EM13121461

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