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Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 12 Use the empirical rule to determine the following (a) What percentage of people has an 10 score between 75 and 1247 b) What percentage of people has an score less than 54 or greater than 1362 (c) What percentage of people has an score greater than 1247 a) Type an integer or a decimal
Find the population mean or sample mean as indicated. Sample: 21, 8,4,6,21 Compute the sample mean for this data set Select the correct choice below and fill in the answer box to complete your choice O A. x=0 OB. H=2
Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 12 Use the empirical rule to determine the following (a) What percentage of people has an 10 score between 75 and 1247 b) What percentage of people has an score less than 54 or greater than 1362 (c) What percentage of people has an score greater than 1247 a) Type an integer or a decimal
Find the population mean or sample mean as indicated. Sample: 21, 8,4,6,21 Compute the sample mean for this data set Select the correct choice below and fill in the answer box to complete your choice O A. x=0 OB. H=2
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3 Mar 2023
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