Unformatted text preview: 13.52 a. After reviewing the data the 95% confidence interval resulted in $440.50 to $1482.21. Because all of the data is not greater than 0 we are not able to infer that company 1 always results in a higher tax payable. However since there is much more data above 0 than below 0, I would recommend using company 1 for a higher return most of the time. 13.93 = 2 group ttest Independent 13.97 = 2 group ttest Matched/paired 13.105 = 2 group ttest Matched/paired and Confidence Interval; t 14.3 = 1 group ttest and Confidence Interval; t 14.8 = 2 group ttest Matched/paired 14.13 = 1 group zscore and Confidence Interval; z 14.18 = 1 group zscore...
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This note was uploaded on 05/05/2011 for the course WCOB 1033 taught by Professor Jensen during the Spring '10 term at University of Arkansas for Medical Sciences.
 Spring '10
 Jensen

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