Is the intervention plan helpful in increasing grades

Reference no: EM13128317

A group of five statisitcs students received the following grades on a test: 81,74,62,92 and 76. An intervention plan is used and the same students increased their scores on a retest to: 85,79,75,95, and 84. At the 0.05 significance level, is the intervention plan helpful in increasing grades?

Reference no: EM13128317

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