Based off the information given, what does this data tell us? 51,50 between the

Question

Based off the information given, what does this data tell us?

51,50 between the two groups of customers. Does it seem to matter which plant produces the tractors in terms of the quality rating received from customers? What would you from mea a tes fers con this of report from these data? 3. Suppose the customer satisfaction survey included a question on the overall quality of Seitz measured on a scale from 0 to 10 where higher numbers indicate greater quality. Company managers monitor the figures from year to year to help determine whether Seitz is improving et customers' perceptions of its quality. Suppose random samples of the responses from 2012 customers and 2013 customers are taken and analyzed on this question, and Source the following Minitab analysis of the data is the result. Itiven Help managers interpret this analysis so that comparisons and can be made between 2012 and 2013. Discuss the samples, Ente by W the statistics, and the conclusions. http USING THE COMPUTER

Explanation / Answer

Based on the above information data tell us that this is two tailed test. The vaue of test statistic is -2.38. P value is 0.019 and degree of freedom is 164.

P value is less than 0.05 which means it is significant and hence we can reject null hypothesis and conclude that there is difference of means.

Also 95% confidence interval is (-0.2520,-0.0232) which is does not contain zero and therefore significant.

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