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The depth of the snow in my yard is normally distributed, with a mean of 2.5 inches and a standard deviation of 0.25 inches.
What value is one standard deviation below the mean? inches
What value is one standard deviation above the mean? inches
What is the probability that a randomly chosen location will have a snow depth between 2.25 and 2.75 inches? percent
Please help me solve this
Perform a Wilcoxon rank sum test on the following data on the length of time that it took to perform two types of operations.
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