daltondespain2
31.03.2021 •
Mathematics
According to the cdc the mean height of us adults ages 20 and older is about 66.5 inches. A random sample of 248 students from a single college revealed a mean height of 68.03 inches and a standard deviation of 5.33 inches. Is there any evidence at the .05 significance level that this college is on average taller than most us adults
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