Mean and standard deviation from a frequency table with classes 1c

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Julie Crowley

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Julie Crowley 6 years, 10 months ago

Created this as a copy of Mean, median and mode from a frequency table with classes 1c.

Name	Status	Author	Last Modified
Julie's copy of Mean from a frequency table	draft	Julie Crowley	08/10/2016 20:34
Julie's copy of Mean from a frequency table - classes	draft	Julie Crowley	08/10/2016 20:34
Mean, median and mode from a frequency table with classes 1	draft	Julie Crowley	06/03/2017 15:00
Mean, median and mode from a frequency table with classes 2	draft	Julie Crowley	06/03/2017 15:00
Mean, median and mode from a frequency table with classes 2b	draft	Julie Crowley	06/03/2017 15:01
Mean, median and mode from a frequency table with classes 1(b)	draft	Julie Crowley	16/04/2018 18:01
Mean, median and mode from a frequency table with classes 2c	draft	Julie Crowley	06/03/2017 15:04
Mean, median and mode from a frequency table with classes 1c	draft	Julie Crowley	07/03/2017 14:49
Catherine's copy of Mean, median and mode from a frequency table with classes 2c	draft	Catherine Palmer	02/03/2018 14:45
Catherine's copy of Mean, median and mode from a frequency table with classes 1c	draft	Catherine Palmer	02/03/2018 14:47
Mean and median from a frequency table with classes 1(b)	draft	Julie Crowley	25/04/2018 18:41
Mean and mode from a frequency table with classes 1c	draft	Julie Crowley	25/04/2018 18:42
Mean and standard deviation from a frequency table with classes 1c	draft	Julie Crowley	25/04/2018 18:43
Michael's copy of Mean and standard deviation from a frequency table with classes 1c	draft	Michael Proudman	07/12/2021 09:49
Simon's copy of Julie's copy of Mean from a frequency table	draft	Simon Thomas	27/03/2019 09:32
Simon's copy of Julie's copy of Mean from a frequency table - classes	draft	Simon Thomas	27/03/2019 09:40

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Question statement

The following gives the age distribution of the 160 members of a local athletics club

Class (Age in years)	frequency (No of members)
{q-5} but less than {q+5}	{a}
{p-5} but less than {p+5}	{b}
{s-5} but less than {s+5}	{c}
{r-5} but less than {r+5}	{d}

Give any introductory information the student needs.

			Name	Type	Generated Value

a	integer	24
c	integer	69
b	integer	43
d	integer	24
q	integer	35
p	integer	45
s	integer	55
r	integer	65
t	integer	75
stdev	decimal	dec("9.183672672193842950588691501575061260254")
mean	rational	813/16
x	integer	25
Total	integer	8130
data	list	Nested 4×2 list
mode	rational	3810/71
Median	rational	3580/69

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random(20..30)

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Generated value: `integer`

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Median
Total
c
data
stdev

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Mean and standard deviation from a frequency table with classes 1c

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Taxonomy: mathcentre

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Julie Crowley 6 years, 10 months ago

Error in variable testing condition

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Generated value: `integer`

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Error

Mean and standard deviation from a frequency table with classes 1c

Metadata

Taxonomy: mathcentre

Taxonomy: Kind of activity

Taxonomy: Context

Contributors

History

Comment

Checkpoint description

Julie Crowley 6 years, 10 months ago

Error in variable testing condition

Error

Warning

Generated value: integer

Parts

Number entry

Advanced settings

Generated value: `integer`