Statistics: Other Statistics Problems – #507

Question: What do you conclude? (Don’t use formal procedures and exact calculations. Use only the rare event rule and make subjective estimates to determine whether events are likely.

Claim: People born on February 29 have IQ scores that vary less than the general population for which population standard deviation = 15, and a random sample of 50 people born of February 29 results in IQ scores with s= 14.99.


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