Adaptability – Relative Yield Data for Broccoli
Ali Loker
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10/20/2020
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Adaptability – Relative Yield Data for Broccoli
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- [00:00:00.610]This video will briefly describe
- [00:00:02.240]how to interpret the upper and lower relative yield values.
- [00:00:06.940]Have the relative yield data for two broccoli varieties,
- [00:00:10.400]Galaxy and Green Valiant.
- [00:00:12.860]As we hover over the top data point for Green Valiant,
- [00:00:15.840]we'll see that the upper relative yield value is 89%
- [00:00:20.810]and the lower relative yield value is negative 21%.
- [00:00:25.790]Based on our statistical analysis, we have 95% confidence
- [00:00:29.690]that the true average relative yield for this variety
- [00:00:33.070]lies somewhere between the upper
- [00:00:34.930]and lower relative yield estimates.
- [00:00:37.770]Looking over here at Galaxy,
- [00:00:40.480]this has an upper relative yield value of 23%
- [00:00:44.040]and a lower relative yield value of 9%,
- [00:00:47.140]which is a much smaller range.
- [00:00:51.270]To interpret these values,
- [00:00:52.930]we can say that we are less certain
- [00:00:55.310]about the true mean of varieties like Green Valiant
- [00:00:58.800]that have this big range
- [00:01:00.170]between the upper and lower relative yield values.
- [00:01:03.960]Comparing those varieties with a small range like Galaxy,
- [00:01:08.650]those can be viewed as broadly adapted
- [00:01:10.960]to a diverse range of environments
- [00:01:13.170]because we see that the relative yield values
- [00:01:15.470]are less variable.
- [00:01:16.940]These types of varieties would be a safe bet
- [00:01:19.280]for most growers.
- [00:01:21.350]On the other hand,
- [00:01:22.183]those with a large range like Green Valiant
- [00:01:24.600]may be a high risk or high reward variety
- [00:01:27.290]that might do really well or very poorly,
- [00:01:29.870]depending on the local conditions of a given farm.
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