EDA 1

Question 1

are used to make decisions and draw conclusions
about populations.

Answer 1

Statistical methods

Question 2

may be divided into two major areas: parameter
estimation and hypothesis testing.

Answer 2

Statistical inference

Question 3

using statistical approach on different sampling methods and
populations.

Answer 3

Test hypotheses

Question 4

using method of moments and the method of maximum
likelihood.

Answer 4

point estimators

Question 4

size n if (a) the are independent random variables and (b) every has the same
probability distribution.

Answer 4

Random Sample

Question 5

A point estimate of some population parameter θ is a single numerical value of a statistic . The statistic is called

Answer 5

point estimator.

Question 6

is any function of the observations in a random sample.

Answer 6

statistic

Question 7

The probability distribution of a statistic is called a

Answer 7

sampling distribution

Question 8

If 1, 2 is a random sample of size n taken from a population
(either finite or infinite) with mean and finite variance
2 and if is the sample mean, the limiting form of the distribution of

Answer 8

Central Limit Theorem

Question 9

If we consider all unbiased estimators of θ, the one with the smallest
variance is called the

Answer 9

minimum variance unbiased estimator (MVUE).

Question 10

If the standard error involves unknown parameters that can be
estimated, substitution of those values into

Answer 10

estimated standard error,