Classify sampling methods

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Bill Foster

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6 years, 3 months ago

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Bill Foster 6 years, 3 months ago

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Newcastle University Mathematics and Statistics 9 years, 3 months ago

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Name	Status	Author	Last Modified
Classify sampling methods	Ready to use	Newcastle University Mathematics and Statistics	20/11/2019 14:51
Classify sampling methods	draft	Xiaodan Leng	10/07/2019 22:30

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Question statement

Answer the following questions on the sampling methods used in these situations.

Give any introductory information the student needs.

			Name	Type	Generated Value

a	list	List of 5 items
c	list	List of 5 items
b	list	List of 4 items
d	list	List of 4 items
chlist	list	[ 2, 2, 1 ]
ch1	string	To sample 1% of its target pop
ch2	string	The first item to be checked f
ch3	string	This form of sampling reflects
w	list	Nested 3×4 list
v	list	Nested 3×3 list

Automatically regenerate variables?

Name

Data type

Value

xxxxxxxxxx
 
["One hundred small businesses in Newcastle are placed in alphabetical order and then numbered 1-100. The random number generator is then used to select twenty of these businesses.","Under this form of sampling, if there are five hundred elements in the population, each element has a one-in-five hundred chance of being selected. ","One advantage of this form of sampling is that every element in the population has an equal chance of being selected.","We are interested in the employment status of 25-40 year olds in South Tyneside. The names of all such people are obtained from the electoral roll and put into a hat; one hundred of these are then selected without replacement.","One of six branches of a large retail outlet is to be selected for an audit. Each outlet is assigned a number from one to six, and then a fair, six-sided die is rolled to select the branch which will be audited."]

JME function reference

Description

Describe what this variable represents, and list any assumptions made about its value.

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Generated value: `list`

[ "One hundred small businesses in Newcastle are placed in alphabetical order and then numbered 1-100. The random number generator is then used to select twenty of these businesses.", "Under this form of sampling, if there are five hundred elements in the population, each element has a one-in-five hundred chance of being selected. ", "One advantage of this form of sampling is that every element in the population has an equal chance of being selected.", "We are interested in the employment status of 25-40 year olds in South Tyneside. The names of all such people are obtained from the electoral roll and put into a hat; one hundred of these are then selected without replacement.", "One of six branches of a large retail outlet is to be selected for an audit. Each outlet is assigned a number from one to six, and then a fair, six-sided die is rolled to select the branch which will be audited." ]

This variable doesn't seem to be used anywhere.

Match choices with answers

Ask the student a question, and give any hints about how they should answer this part.

Identify each of the following scenarios as one of the following:

Simple Random Sampling.
Stratified Sampling.
Systematic Sampling.
Judgemental Sampling

Note that you will lose 1 mark for every incorrect answer, however the minimum mark for this part of the question is 0.

Minimum marks

Maximum marks

(no maximum)

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Minimum answers

Maximum answers

(no maximum)

What to do if wrong number of answers selected:

Selection type

Layout

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{ch1}
{ch2}
{ch3}

Simple Random Sampling
Stratified Sampling
Systematic Sampling
Judgemental Sampling

For each combination of answer and choice, specify the number of marks to add or subtract when the student picks it.

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Give a worked solution to the whole question.

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Part	Test	Passed?
Match choices with answers
Match choices with answers		Hasn't run yet
Match choices with answers
Match choices with answers		Hasn't run yet

This question is used in the following exams:

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Metadata

Taxonomy: mathcentre

Taxonomy: Kind of activity

Taxonomy: Context

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Checkpoint description

Bill Foster 6 years, 3 months ago

Newcastle University Mathematics and Statistics 9 years, 3 months ago

Error in variable testing condition

Error

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Generated value: `list`

Parts

Match choices with answers

Advanced settings

	Simple Random Sampling	Stratified Sampling	Systematic Sampling	Judgemental Sampling
{ch1}
{ch2}
{ch3}

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Classify sampling methods

Metadata

Taxonomy: mathcentre

Taxonomy: Kind of activity

Taxonomy: Context

Contributors

Feedback

History

Comment

Checkpoint description

Bill Foster 6 years, 3 months ago

Newcastle University Mathematics and Statistics 9 years, 3 months ago

Error in variable testing condition

Error

Warning

Generated value: list

Parts

Match choices with answers

Advanced settings

Generated value: `list`