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Author Question: Suppose the ages of students in Statistics 101 follow a right skewed distribution with a mean of 23 ... (Read 94 times)

lak

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on: Jun 24, 2018
Suppose the ages of students in Statistics 101 follow a right skewed distribution with a mean of 23 years and a standard deviation of 3 years. If we randomly sampled 100 students, which of the following statements about the sampling distribution of the sample mean age is incorrect?
 
  A) The standard error of the sampling distribution is equal to 0.3 years.
  B) The standard deviation of the sampling distribution is equal to 3 years.
  C) The shape of the sampling distribution is approximately normal.
  D) The mean of the sampling distribution is equal to 23 years.

Question 2

In a Poisson distribution, the mean and standard deviation are equal.
 
  Indicate whether the statement is true or false


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amcvicar

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Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

FALSE


lak

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Reply 2 on: Jun 24, 2018
Gracias!

Alyson.hiatt@yahoo.com

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Reply 3 on: Yesterday
Wow, this really help

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