Question: Using the output provided, construct a 90% confidence interval for the average ease of doing business score for European countries. Calculate the margin of error

Using the output provided, construct a 90% confidence interval for the average ease of doing business score for European countries. Calculate the margin of error for your answer in (c).Can you use the confidence interval you created in (c) to determine if the score for European countries is lower than that for North American countries?Using the output provided construct a 95% confidence interval for the average case of doing business score for European countries.

Question: 1. The average rate for the ease of doing business score in North America is 72. Using a sample of 43 countries, researchers want to determine if this rate is higher for European countries than for North American countries. You are presented with the following summary statistics, test results and graphs for analysis. One-Sample Statistics N Mean Std. Deviation Std. Error Mean Y2015 43 73.759967 6.0777488 9268480 One-Sample Test Test Value = 72 95% Confidence Interval of the Difference df Sig. (2-tailed) Mean Difference Lower Upper Y2015 1.899 42 064 1.7599672 .110488 3.630422
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