Multiple Choice Questions:

Question 1

In sampling, apopulationis:

Group of answer choices

the set of all humans

the set of all members about which a study intends to make inferences

any group of test subjects

a random group of individuals, households, cities or countries

Question 2

The sampling method in which a population is divided into blocks of size = N/n and then selected by choosing a random mechanism to determine the first participant/observation to sample is called a

Group of answer choices

random sampling

systematic sampling

stratified sampling

cluster sampling

Question 3

The two basic sources for error when using random sampling are:

Group of answer choices

sampling and selection

identification and selection

sampling and nonsampling

bias and randomness

linear and nonlinear

Question 4

Which of the following statements are correct?

Group of answer choices

A confidence interval describes a range of values that is likely not to include the actual population parameter

A confidence interval is an estimate of the range for a sample statistic.

A confidence interval is an estimate of the range of possible values for a population parameter.

None of these options

Question 5

The general form of a confidence interval is:

Group of answer choices

Point Estimate = Multiple Standard Error

Point Estimate = Multiple +Standard Error

Point Estimate Multiple Standard Error

Point Estimate = Multiple Standard Error

Question 6

The null hypothesis usually represents the:

Group of answer choices

theory the researcher would like to prove.

preconceived ideas of the researcher

perceptions of the sample population

status quo

Question 7

One-tailed alternative hypotheses are phrased in terms of:

Group of answer choices

< or >

=

All of the above.

Question 8

A type I error occurs when the:

Group of answer choices

null hypothesis is incorrectly accepted when it is false

null hypothesis is incorrectly rejected when it is true

sample mean differs from the population mean

test is biased

Question 9

Which of the following is an assumption of ANOVA?

Group of answer choices

The population is normally distributed.

The groups have equal variances.

Neither (A) nor (B).

Both (A) and (B).