3. PlantGrowth is a dataset contained in R. You can refer to the R help document for its information. The following code performs a t-test to compare two vectors, ctrl (the plant yield in the control group) and trt2 (the plant yield in the treatment group). Run the code and interpret the output (one/two sample test? Paired or unpaired ? one/two sided test? Write the hypothesis, read pvalue -> conclusion ,etc...) assuming significance threshold 0.05 data("PlantGrowth") ctrl = PlantGrowth$weight[PlantGrowth$group =="ctrl"] PlantGrowth$weight[PlantGrowth$group=="trt2"] trt2 = t.test(ctrl, trt2)

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3. PlantGrowth is a dataset contained in R. You can refer to the R help document for its
information. The following code performs a t-test to compare two vectors, ctrl (the
plant yield in the control group) and trt2 (the plant yield in the treatment group). Run
the code and interpret the output (one/two sample test? Paired or unpaired ? one/two
sided test? Write the hypothesis, read pvalue -> conclusion ,etc... ) assuming
significance threshold 0.05
data("PlantGrowth")
ctrl = PlantGrowth$weight[PlantGrowth$group =="ctrl"]
PlantGrowth$weight[PlantGrowth$group==="trt2"]
trt2 =
t.test(ctrl, trt2)
Transcribed Image Text:3. PlantGrowth is a dataset contained in R. You can refer to the R help document for its information. The following code performs a t-test to compare two vectors, ctrl (the plant yield in the control group) and trt2 (the plant yield in the treatment group). Run the code and interpret the output (one/two sample test? Paired or unpaired ? one/two sided test? Write the hypothesis, read pvalue -> conclusion ,etc... ) assuming significance threshold 0.05 data("PlantGrowth") ctrl = PlantGrowth$weight[PlantGrowth$group =="ctrl"] PlantGrowth$weight[PlantGrowth$group==="trt2"] trt2 = t.test(ctrl, trt2)
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