13.20 Using the following data:
X |
Y |
394 |
25 |
972 |
75 |
349 |
25 |
349 |
65 |
593 |
35 |
276 |
40 |
254 |
45 |
156 |
20 |
248 |
75 |
Solution :
(a) Scatter plot :
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