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Using the THE WILCOXON SIGNED-RANK TEST Sixteen laboratory animals were fed a special diet from birth...

Using the THE WILCOXON SIGNED-RANK TEST

Sixteen laboratory animals were fed a special diet from birth through age 12 weeks. Their

weight gain (in grams) were as follows:

63 68 79 65 64 63 65 64 76 74 66 66 67 73 69 76

Can we conclude from these data that the diet results in a mean weight gain of less than 70

grams? Let α = 0.05.

Note: There are two possible ways to analyze this data. Use the statistical procedure

that makes use of the magnitudes of the differences between measures and a

hypothesized location parameter rather than just the signs of the differences.

Math   Statistics-And-Probability   
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