A water resources engineer wanted to find out if a correlation existed between river flow and rainfall events of three-d

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A water resources engineer wanted to find out if a
correlation existed between river flow and rainfall events of
three-day duration in an Australian catchment. The engineer
gathered the following data in a field survey conducted in
2021:
Period
Rainfall amount (mm/3 days) - X
River Flow (thousands of m3/day) – average of 3 days
- Y
02 Jan – 05 Jan
40
63
18 Jan – 21 Jan
65
100
04 Feb – 07 Feb
10
8
22 Feb – 25 Feb
48
89
15 Mar – 18 Mar
51
80
02 Apr – 05 Apr
8
10
25 Apr – 28 Apr
35
53
05 May – 08 May
45
67
20 May – 23 May
12
17
08 Jun – 11 Jun
20
37
17 Jun – 20 Jun
22
31
09 Jul – 12 Jul
50
89
13 Jul – 16 Jul
80
100