Video SolutionTime: 8:00 to end deals with Q.4 Note: From 2015 onwards this solution may no longer be acceptable. We now are required to use +/-(1.96 x Standard error) instead of the margin of error for a 95% confidence interval. Video SolutionTime 13:12 to end deals with Q.8 a |
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February 2015
AuthorMr R |