عند دراسة العلاقة بين الكمية المعروضة ص وسعر سلعة ما س بالجنية كانت البيانات
كالتالى
السعر س |
10 |
12 |
15 |
12 |
14 |
8 |
الكمية ص |
6 |
8 |
6 |
6 |
9 |
5 |
أوجد معامل ارتباط بيرسون بين س ، ص مبينا نوعه.
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