d. Find the sampling distribution of the sample variance s for a random sample of n distribution. 2 measurements from this %3D e. Show that s is an unbiased estimator for o. 2

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Can you do part d and e of the circled question? 

Meme
Exercises 6.10–6.20
Understanding the Principles
6.10 What is a point estimator of a population parameter?
6.11 What is the difference between a biased and unbiased
estimator?
6.12 What is the MVUE for a parameter?
6.13 What are the properties of an ideal estimator?
Learning the Mechanics
6.14 Consider the following probability distribution:
NW
0.
1
4
p(x)
1/3
/3
a. Find u and o?.
b. Find the sampling distribution of the sample mean
for a random sample of n = 2 measurements from this
distribution.
c. Show that X is an unbiased estimator of u. [Hint: Show
that E(x)
d. Find the sampling distribution of the sample variance s-
for a random sample of n = 2 measurements from this
distribution.
e. Show that s is an unbiased estimator for o.
Σp ( ) -μ.]
6.15
Consider the following probability distribution:
'2
Transcribed Image Text:Meme Exercises 6.10–6.20 Understanding the Principles 6.10 What is a point estimator of a population parameter? 6.11 What is the difference between a biased and unbiased estimator? 6.12 What is the MVUE for a parameter? 6.13 What are the properties of an ideal estimator? Learning the Mechanics 6.14 Consider the following probability distribution: NW 0. 1 4 p(x) 1/3 /3 a. Find u and o?. b. Find the sampling distribution of the sample mean for a random sample of n = 2 measurements from this distribution. c. Show that X is an unbiased estimator of u. [Hint: Show that E(x) d. Find the sampling distribution of the sample variance s- for a random sample of n = 2 measurements from this distribution. e. Show that s is an unbiased estimator for o. Σp ( ) -μ.] 6.15 Consider the following probability distribution: '2
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