In a two-tailed test, the rejection region is in one of the tails, while in a one-tailed test the rejection region is split between the tails.

In a one-tailed test, the rejection region is always in the lower tails, while in a two-tailed test the rejection region is split between the tails.

In a one-tailed test, the rejection region is in one of the tails, while in a two-tailed test the rejection region is split between the tails.

In a one-tailed test, the rejection region is always in the upper tails, while in a two-tailed test the rejection region is split between the tails.

1/5

2/5

2/3

1/2

The number of credit units you registered for this semester

The number of gas stations in a city

Total number of students taking a particular course

The depth of Lake Michigan at a randomly chosen point on the surface

0.20

0.018

0.30

0.06

Will always contain zero

It is an initial statement about the value of the parameter

Must not contain zero

Can be estimated from the sample

Estimating

Estimate

Estimation

Estimator

29

28

30

15

stands for Another Numeric Observation of the Variance

stands for Analysis of Variance

has no special meaning

stands for Analysis of Variables

Nominal data

Ordinal data

Interval data

Mean

Standard Deviation

Kurtosis

Skewness