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ʼn Bemarker ondersoek die verwantskap tussen die bedrag spandeer op advertensies...
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ʼn Bemarker ondersoek die verwantskap tussen die bedrag spandeer op advertensies en die verkope van ʼn spesifieke produk. Verkope en die uitgawe op advertensies data is beskikbaar vir die afgelope tien maande (in R’000). / A marketer investigates the relationship between the amount spent on advertising and the sales of a specific product. Sales figures and advertising expenses for the past ten months (in R’000) are available.
Maand Month | Verkope Sales (Y) | Advertensie Advertising (X) | Maand Month | Verkope Sales (Y) | Advertensie Advertising (X) |
1 | 85 | 33 | 6 | 103 | 50 |
2 | 123 | 60 | 7 | 115 | 50 |
3 | 122 | 60 | 8 | 93 | 35 |
4 | 99 | 43 | 9 | 112 | 53 |
5 | 95 | 40 | 10 | 111 | 56 |
Bereken die bepaaldheidskoëffisiënt. / Determine the coefficient of determination.