SA7 Calculate Mean from a list

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From users who are members of Skills Audits for Maths and Stats :

Lauren Desoysa

said

Ready to use

1 year ago

From users who are not members of Skills Audits for Maths and Stats :

Upuli Wickramaarachchi

said

Needs to be tested

1 year, 1 month ago

History

○

Michael Pan 11 months, 2 weeks ago

Published this.

○

Michael Pan 11 months, 2 weeks ago

Published this.

○

Lauren Desoysa 1 year ago

Gave some feedback: Ready to use

○

Upuli Wickramaarachchi 1 year, 1 month ago

Gave some feedback: Needs to be tested

○

Upuli Wickramaarachchi 1 year, 1 month ago

Created this as a copy of Summary statistics: basic calculation.

Name	Status	Author	Last Modified
Summary statistics: basic calculation	Ready to use	Ruth Hand	16/01/2023 13:18
SA7 Calculate Mean from a list	Ready to use	Upuli Wickramaarachchi	04/04/2024 11:06

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Question statement

Calculate the Mean from a list

Give any introductory information the student needs.

			Name	Type	Generated Value

list	list	[ 18, 6, 7, 10, 15 ]
mean	number	11.2
median	number	10
order	list	[ 6, 7, 10, 15, 18 ]

Automatically regenerate variables?

Name

Data type

Value

xxxxxxxxxx
 
repeat(random(0..20), 5)

JME function reference

Description

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

Can an exam override the value of this variable?

Generated value: `list`

[ 18, 6, 7, 10, 15 ]

→ Used by:

mean
median
order

This variable doesn't seem to be used anywhere.

Parts

Gap-fill
1. Gap Number entry
  Add

Gap-fill

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

Given a list of numbers:

{list}

Calculate the mean: Unnamed gap

Advice

The MEAN is the sum, divided by the number of values summed i.e.

$\frac{\var{list[0]} + \var{list[1]} + \var{list[2]} + \var{list[3]} + \var{list[4]}}{5}$

use your calculator to find

mean = $\var{mean}$ .

Use this link to find some resources which will help you revise this topic.

Give a worked solution to the whole question.

Use this tab to check that this question works as expected.

There was an error which means the tests can't run:

Part	Test	Passed?
Gap-fill
Gap-fill		Hasn't run yet
Number entry
Number entry		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

Contributors

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History

Comment

Checkpoint description

Michael Pan 11 months, 2 weeks ago

Michael Pan 11 months, 2 weeks ago

Lauren Desoysa 1 year ago

Upuli Wickramaarachchi 1 year, 1 month ago

Upuli Wickramaarachchi 1 year, 1 month ago

Error in variable testing condition

Error

Warning

Generated value: `list`

Parts

Gap-fill

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Error

SA7 Calculate Mean from a list

Metadata

Taxonomy: mathcentre

Taxonomy: Kind of activity

Taxonomy: Context

Contributors

Feedback

History

Comment

Checkpoint description

Michael Pan 11 months, 2 weeks ago

Michael Pan 11 months, 2 weeks ago

Lauren Desoysa 1 year ago

Upuli Wickramaarachchi 1 year, 1 month ago

Upuli Wickramaarachchi 1 year, 1 month ago

Error in variable testing condition

Error

Warning

Generated value: list

Parts

Gap-fill

Generated value: `list`