Two fertilizers are applied to randomly selected potato plants. After several weeks, the potatoes are weighed. The weights in kilograms are as follows. Which fertilizer is generally more effective?

Fertilizer A: 27, 20, 16, 18, 22, 19, 23, 21, 17, 19
Fertilizer B: 28, 19, 18, 21, 24, 20, 25, 27, 29, 21

(1 point)
Responses

Fertilizers A and B are equally effective, because the ranges of the weights of the potatoes are the same.

1 answer

This answer is incorrect. To determine which fertilizer is generally more effective, we should calculate the mean weight for each fertilizer.

For Fertilizer A:
Mean weight = (27 + 20 + 16 + 18 + 22 + 19 + 23 + 21 + 17 + 19) / 10
Mean weight = 202 / 10
Mean weight = 20.2 kg

For Fertilizer B:
Mean weight = (28 + 19 + 18 + 21 + 24 + 20 + 25 + 27 + 29 + 21) / 10
Mean weight = 212 / 10
Mean weight = 21.2 kg

Based on the calculations, Fertilizer B has a higher mean weight compared to Fertilizer A. Therefore, Fertilizer B is generally more effective in this case.