Question

The purpose of an "experiment" is to describe some group or situation a. TRUE b. FALSE...

The purpose of an "experiment" is to describe some group or situation

a.

TRUE
b.

FALSE

A sample that is collected from whatever data happens to quick and easy to get.

a.

Voluntary response
b.

Stratified
c.

Convenience
d.

Systematic

The property of samples in which the sample statistic being measured varies from sample to sample

a.

precision
b.

SRS
c.

Randomness
d.

Sampling variability

The entire group of objects which contain some characteristic of interest in a study

a.

population
b.

sample
c.

parameter
d.

statistic

A population is broken down into 12 subpopulations, using race/ethnicity as categories. Random samples are then taken from each of these subpopulations. This is an example of a stratified sample

a.

TRUE
b.

FALSE
Math   Statistics-And-Probability   
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Homework Answers

Answer #1

1. False. ( The purpose of experiment is to test some hypothesis regarding some parameters nad draw conclusions there upon)

2. Convenience sample. ( This sample is taken from the part of population that is easy to get)

3. Randomness. ( Due to this property of sample, the sample statistic varies from sample to sample.)

4. Population (It is the universe for our experiment.)

5. True. ( In stratified sampling, population is broken down into groups that are homogenous within themselves and then from each group, sample is selected.)

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