Question: Recall that the sample average rating for the shirts cleaned with the new formula was 8.2 and the average rating for the shirts cleaned with

 Recall that the sample average rating for the shirts cleaned with

Recall that the sample average rating for the shirts cleaned with the new formula was 8.2 and the average rating for the shirts cleaned with the old formula is 8.0 (ratings are out of 10 points). Do you think these results are practically significant? Briefly explain. No, because the p-value is too large. O No, because a difference of 0.2 out of 10 points is not a large enough difference to care about. Yes, because the p-value was less than 0.05 Yes, because the new formula had a higher rating

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