Below you are given the values obtained from a random sample of 4 observations taken from an infinite population.
32343539?
a.Find a point estimate for ?. Is this an unbiased estimate of ?? Explain.b.Find a point estimate for ?2. Is this an unbiased estimate of ?2? Explain.c.Find a point estimate for ?.d.What can be said about the sampling distribution of 
? Be sure to discuss the expected value, the standard deviation, and the shape of the sampling distribution of 
.
What will be an ideal response?
| a. | 35; Yes; E( ) = ? |
| b. | 8.667; Yes; E(s2) = ?2 |
| c. | 2.944 |
| d. | E( ) = ?, the standard deviation = ?2/n, and the sampling distribution of  is normally distributed if the population is normally distributed. |
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