Question: The following data represent the measure of a variable before and after a treatment. Does the sample evidence suggest that the treatment is effective in

The following data represent the measure of a variable before and after a treatment.

Does the sample evidence suggest that the treatment is effective in decreasing the value of the response variable? Use the Î± = 0.10 level of signiï¬cance.

2 Individual Before, Ai After, Y 40 32 53 48 38 38 49 48

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