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18 Student Ages The mean age of all 2550 students at a small ollege is...

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18 Student Ages The mean age of all 2550 students at a small ollege is 22 8 years with a standard deviation is 3 2 years and the istribution is right skewed A random sample of 4 students ages is btained and the mean is 23 2 with a standard deviation of 2 4 years a o x s b Is a parameter or a statistic c Are the conditions for using the CLT fulfilled What would be the shape of the approximate sampling distribution of many means each from a sample of 4 students Would the shape be right skewed Normal or left skewed

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