Westonci.ca is the premier destination for reliable answers to your questions, provided by a community of experts. Explore our Q&A platform to find reliable answers from a wide range of experts in different fields. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform.

A sample is selected from a population with a mean of μ = 65 and a standard deviation of σ = 15. if the sample has n = 9 scores, what are the expected value of m and the standard error of m?

Sagot :

The Expected value of M is 65

The Standard error of M is 5

  • The mean of the distribution of sample means is called the expected value of M.
  • The standard deviation of the distribution of sample means is called the standard error of M.

Given,

The sample score, n = 9

The Standard deviation, σ = 15

Population mean, μ = 65

Then,

The Expected value of M = μ

∴ The Expected value of M = 65

The Standard error of M = σ/[tex]\sqrt{n}[/tex]

                                          [tex]=\frac{15}{\sqrt{9} } \\\\=\frac{15}{3} \\=5[/tex]

Learn more about Standard error and Expected value here: https://brainly.com/question/12792959

#SPJ4