(Solution Library) A researcher wants to see whether there is a relationship between the number of colds people get in one year and the average amount of vitamin
Question:
A researcher wants to see whether there is a relationship between the number of colds people get in one year and the average amount of vitamin C they consume.
| Milligrams of Vitamin C (X) | Number of Colds (Y) |
| 830 | 0 |
| 900 | 0 |
| 900 | 1 |
| 170 | 1 |
| 230 | 1 |
| 50 | 2 |
| 420 | 2 |
| 280 | 2 |
| 200 | 3 |
| 200 | 4 |
| 80 | 5 |
| 50 | 9 |
∑X = 4,310 ; ∑Y = 30 ; ∑XY = 5,050 ; ∑X 2 = 2,736,900 ; ∑ Y 2 = 146
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Normal Approximation for the Binomial Distribution - MathCracker.com