The table below summarises the sales of a dietary product over the last 15 consecutive weeks. Week 1 2 3 4 7 8 9 10 11 12 13 14 15 Bottles 132 127 100 121 111 161 131 108 129 144 129 134 130 140 130 Sold Task 1: Construct a run chart with this data and comment whether any trends are apparent. Task 2: Produce a statistical summary for the sales data including relevant descriptive statistics and a histogram plot (use a bin width of 10 bottles).

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The table below summarises the sales of a dietary product over the last 15 consecutive weeks.
Week
1
2
3
5
6 7
8
10
11
12
13
14
15
Bottles
132
127 100 121
111
161
131
108
129
144
129
134
130 140 130
Sold
Task 1:
Construct a run chart with this data and comment whether any trends are apparent.
Task 2:
Produce a statistical summary for the sales data including relevant descriptive statistics and a
histogram plot (use a bin width of 10 bottles).
Task 3:
Perform a normality test and discuss the evidence that the soft drinks sales data follows a
normal distribution.
Transcribed Image Text:The table below summarises the sales of a dietary product over the last 15 consecutive weeks. Week 1 2 3 5 6 7 8 10 11 12 13 14 15 Bottles 132 127 100 121 111 161 131 108 129 144 129 134 130 140 130 Sold Task 1: Construct a run chart with this data and comment whether any trends are apparent. Task 2: Produce a statistical summary for the sales data including relevant descriptive statistics and a histogram plot (use a bin width of 10 bottles). Task 3: Perform a normality test and discuss the evidence that the soft drinks sales data follows a normal distribution.
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