Mathematics
Mathematics, 10.01.2021 06:20, zuleromanos

18. A set of data has a sample mean of 65.4 and a standard deviation of 1.2. If the sample size is 45, what is the 99% confidence interval of this data? A. 65.10 and 65.70
B. 65.33 and 65.47
C. 65.05 and 65.75
D. 64.94 and 65.86

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18. A set of data has a sample mean of 65.4 and a standard deviation of 1.2. If the sample size is 4...

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