The quarterly sales figures for the number of shoes (pairs) sold at a shoe shop is shown on the table below.

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Author:Amos Gilat
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Hw 3
The quarterly sales figures for the number of shoes (pairs) sold
at a shoe shop is shown on the table below.
Year
2017
Quarter
Sales
1
239
2
235
3
191
4
213
2018
1
245
2
237
3
195
4
218
2019
1
250
2
241
3
199
4
219
2020
1
156
2
149
3
105
4
125
Required:
1. Draw a line graph to represent the sales figures.
2. Calculate the moving averages.
3. Calculate the centre moving averages
4. Present the original sales data and the trend of sales figures on
the same line graph.
Transcribed Image Text:Hw 3 The quarterly sales figures for the number of shoes (pairs) sold at a shoe shop is shown on the table below. Year 2017 Quarter Sales 1 239 2 235 3 191 4 213 2018 1 245 2 237 3 195 4 218 2019 1 250 2 241 3 199 4 219 2020 1 156 2 149 3 105 4 125 Required: 1. Draw a line graph to represent the sales figures. 2. Calculate the moving averages. 3. Calculate the centre moving averages 4. Present the original sales data and the trend of sales figures on the same line graph.
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