Question

llustrate or describe one situation where a random sampling technique was used. You can make one up

Answer #1

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Here' an example where random sampling technique is used:

To test the quality of a river's water, samples of the water would be taken from multiple places in the river, on different dates and at different times of the day. All of the samples would be numbered with the numbers entered into a table. As numbers are chosen from the table, quality tests are run on the chosen sample.

Describe a situation where you would consider the use of
cluster sampling.

Provide a real life situation in any area of life where the
assignment technique is used and explain how it is used.

Identify the type of sampling used (random, systematic,
convenience, stratified, or cluster sampling) in the situation
described below. A researcher selects every 847 th social security
number and surveys the corresponding person.

Systematic sampling is a type of random sampling technique.
t or f

A nonrandom sampling technique that is similar to stratified
random sampling is called quota sampling.

how could measurement error contribute to sampling variability,
but not to bias? Describe a situation where measurement error
results in bias.

In 3-5 sentence discuss ONE non-probability sampling technique,
and include a comment on at least one situation in which your
selected technique could be applicable.

Identify the sampling technique used in the study. Choose either
simple random, clustered, stratified, systematic, or
convenience.
1. A community college student interviews everyone in a
statistics class to determine the percentage of students that own a
car.

Please describe a sampling scheme for each scenario. Make sure
you include details as to how you will set up the sample (including
any controls). Make sure to use words like stratified sampling, or
simple random sampling. Make sure to list your null and alternative
hypotheses. This should be at least a paragraph long (each), be
thorough in order to receive full credit.
2. You are interested in a new therapy that combats depression;
we'll call it therapy X. You...

HYPOTHESES IN THE REAL WORLD: Consider a business of any type.
What is a situation where a hypothesis test might help make a
decision? Describe the situation. Then you or someone in a reply
can make up numbers for that situation and someone else can solve
it.

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