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Chris Graham 2 years, 2 months ago
Gave some feedback: Ready to use
Chris Graham 2 years, 2 months ago
Good question. I've made some minor changes to the advice.
Stanislav Duris 2 years, 2 months ago
Published this.Stanislav Duris 2 years, 2 months ago
Saved a checkpoint:
As I said in one of our meetings, my main goal in creating this question was to show students that two equal means don't mean two equal distributions and to play around with the fact that all measures of average can be misleading when interpreted incorrectly. I started another question as advised by Chris, Christian and Lauren about salaries (many poor people vs few very rich residents leads to false beliefs about average salary in the area) but I don't think I'll manage to get it done up to a point where someone else can finish it, so I think someone else just needs to start that question from the scratch. A histogram could be included in the Salaries question. I tried to play around with Geogebra so I could include graphs in my future questions, but I did not have time to finish this successfully, so someone else may need to do this to cover the GCSE statistics.
Stanislav Duris 2 years, 2 months ago
Gave some feedback: Needs to be tested
Elliott Fletcher 2 years, 2 months ago
Gave some feedback: Has some problems
Elliott Fletcher 2 years, 2 months ago
This is a very good question, there isn't really much i would change just a few minor things.
Advice
a) You don't need the "first" in the first sentence here as there is only one column for Sweet Heaven.
When you say "Similarly for Tasty Hell:" i think the colon should just be a comma but i'm not 100% sure.
b) You could maybe split up this paragraph by starting a new line after each sentence, but it's up to you.
Stanislav Duris 2 years, 2 months ago
Thank you Chris, I have used
[3pt]
.
Stanislav Duris 2 years, 2 months ago
Gave some feedback: Needs to be tested
Chris Graham 2 years, 2 months ago
Good question. Just a couple of things:
In the statement you say that the shops will be referred to as $s$ and $t$, but this notation is not used in the question itself, just the advice, so why not introduce this shorthand at the start of the advice instead.
In your advice, you have several calculations involving fractions inside the align environment. This is fine, however you will notice that they appear quite squashed with the default line spacing. You could add
[1pt]
(play around with the number) immediately after the linebreak (the\\
) to add additional line spacing, e.g.
\overline{s} &= \frac{\sum s}{n} \\[2pt]
...
Chris Graham 2 years, 2 months ago
Gave some feedback: Has some problems
Stanislav Duris 2 years, 2 months ago
Gave some feedback: Needs to be tested
Stanislav Duris 2 years, 2 months ago
Gave some feedback: Has some problems
Stanislav Duris 2 years, 2 months ago
Gave some feedback: Needs to be tested
Stanislav Duris 2 years, 2 months ago
Created this.Name  Status  Author  Last Modified  

Weight of a scoop in two ice cream parlours  Ready to use  Stanislav Duris  01/08/2017 14:28  
Measures of central tendencyQ3  draft  Lauren Frances Desoysa  08/08/2018 13:08  
Measures of central tendency from a list 2  Needs to be tested  Lauren Frances Desoysa  06/11/2018 15:18  
Harry's copy of Weight of a scoop in two ice cream parlours  draft  Harry Flynn  18/11/2018 11:50  
Michael's copy of Weight of a scoop in two ice cream parlours  draft  Michael Proudman  19/11/2018 12:02 
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This question is used in the following exams:
 My test exam by Chris Graham in Chris's workspace.
 Workbook 2 Test by Chris Graham in Lee's Newcastle Maths & Stats Summer Project 2017.
 Summer Project (IGCSE) by Inbbavathie Ravi in Inbbavathie's workspace.
 Calculate measures of central tendency and spread by Christian LawsonPerfect in Transition to university.
 Apprentice Maths Diagnostic by sarah hargreaves in sarah's workspace.
 sarah's copy of Apprentice Maths Diagnostic by sarah hargreaves in sarah's workspace.
 Week 5  Practice Exercises by Bobby Kahlon in Bobby's workspace.
 Level 1 Biol by Mary McVey in Mary's workspace.
 Nick's copy of Calculate measures of central tendency and spread by Nick Walker in Nick's workspace.
 Calculate measures of central tendency and spread by Paul Emanuel in Paul's workspace.
 Summer Project 5  assessed by Inbbavathie Ravi in Lee's Newcastle Maths & Stats Summer Project 2017.
 NUMBAS Averages by Katy Dobson in Katy's workspace.
 Measures of central tendency and spreadoriginal without context by Chris Graham in Newcastle University Sports Science.
 Comparing distributions by Christian LawsonPerfect in Christian's workspace.
 Harry's copy of Measures of central tendency and spreadoriginal without context by Harry Flynn in Harry's workspace.
 Harry's copy of Calculate measures of central tendency and spread by Harry Flynn in Harry's workspace.
 Miscellaneous by Mario Orsi in Mario's workspace.
 Ollie's copy of Harry's copy of Calculate measures of central tendency and spread by Ollie Bartlett in Ollie's workspace.