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Suppose you tested two groups of subjects on speed of learning a new task. One group had a mean of 17 trials, and the other

Suppose you tested two groups of subjects on speed of learning a new task. One group had a mean of 17 trials, and the other group had a mean of 19 trials. Your independent groups t statistic was not significant. What accounts for the difference between the means? Group of answer choices the independent variable sampling error an error in computing unequal sample sizes

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