Mean and median from a frequency table with classes 1(b)

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Julie Crowley

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Julie Crowley 6 years, 11 months ago

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

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

A survey was carried out on 200 households having internet connection. As part of the survey each household was asked to estimate on average the amount of time per day spent using the internet. The findings are tabulated as follows:

Class (Time in minutes)	Frequency (No of households)
{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}
{t-5} but less than {t+5}	{f}

Give any introductory information the student needs.

			Name	Type	Generated Value

a	integer	25
c	integer	83
b	integer	35
d	integer	22
f	integer	35
q	integer	5
p	integer	15
s	integer	25
r	integer	35
t	integer	45
stdev	decimal	dec("1.218103033408914879876499175015020363241e+1")
mean	rational	507/20
x	integer	-5
Total	integer	5070
data	list	Nested 5×2 list
mode	rational	2660/109
Median	rational	2060/83

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Data type

Value

xxxxxxxxxx
 
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 median from a frequency table with classes 1(b)

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Taxonomy: mathcentre

Taxonomy: Kind of activity

Taxonomy: Context

Contributors

History

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Checkpoint description

Julie Crowley 6 years, 11 months ago

Error in variable testing condition

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Warning

Generated value: `integer`

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Number entry

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Error

Mean and median from a frequency table with classes 1(b)

Metadata

Taxonomy: mathcentre

Taxonomy: Kind of activity

Taxonomy: Context

Contributors

History

Comment

Checkpoint description

Julie Crowley 6 years, 11 months ago

Error in variable testing condition

Error

Warning

Generated value: integer

Parts

Number entry

Advanced settings

Generated value: `integer`