Question: Please help for a good rate if the answer is correct 1. The standard deviation of a variable is 18. If a sample of 100

Please help for a good rate if the answer is correct

The standard deviation of a variable is 18. If a sample of 100 individuals is selected, Part 1 of (a) Find the standard error of the mean. Round the answer to three decimal places. Standard error of the mean 1.800 Part: 1 / 2 Part 2 of (b) Find the sample size needed to cut the standard error of the mean in half. Round intermediate calculations to three decimal places and round your final answer up to the nearest whole number. Sample size

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