Identifying Type 1 Error for Inference?
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A weight loss center provided a loss for 72% of its participants. The center’s leader decides to test a new weight loss strategy. Identify the Type I error in this context.
Student Response
A. The product of the center’s sample size and sample proportion was less than 10.
B. The center concludes that the proportion of participants losing weight is increasing, but in fact the new strategy does not help weight loss.
C. The center concludes that proportion of weight loss is increasing since the weight loss level can only increase.
D. The center sampled all participants at the weight loss center.
E. The center stops the new strategy, but in fact weight loss is increasing and the strategy helps.
Pfaff