EDA T5

Question 1

The value(s) assigned to a population
parameter based on the value of a sample
statistic is called an

Answer 1

Estimate

Question 2

The sample statistic used to estimate a
population parameter is called an

Answer 2

Estimator

Question 3

The value of a sample statistic that is used to estimate a population parameter is called a

Answer 3

point estimate

Question 4

an interval is constructed around the point estimate,
and it is stated that this interval is likely to
contain the corresponding population
parameter

Answer 4

interval estimation

Question 5

each interval is constructed with regard to a given confidence level and is called a

Answer 5

confidence interval

Question 6

the confidence level is denoted by

Answer 6

(1-a)100%

Question 7

is the quantity that is subtracted from and added to the value of x to obtain a confidence interval for u

Answer 7

margin of error for the estimate for u

Question 8

is a specific type of bell-shaped
distribution with a lower height and a wider
spread than the standard normal distribution.

Answer 8

t-distribution

Question 9

the t-distribution has only one parameter called the

Answer 9

degrees of freedom (df)