Question: Let's test the null hypothesis that a treatment had no effect, for a randomized experiment in which 110 of 200 participants in the control group
Let's test the null hypothesis that a treatment had no effect, for a randomized experiment in which 110 of 200 participants in the control group reported that they planned to vote in the next election, and 180 of 190 participants in the treatment group reported that they planned to vote in the next election. Run the commands below in R:
CONTROL <- c(110,90) TREATMENT <- c(180,10) DATA <- data.frame(CONTROL, TREATMENT, row.names = c("VOTE","NO VOTE")) fisher.test(DATA)
Select the option below that best indicates how to interpret the output from the above commands.
Group of answer choices
A. The output provided sufficient evidence to conclude that the treatment had an effect.
B. The output provided sufficient evidence to conclude that the treatment did not have an effect.
C. The output did not provide sufficient evidence to conclude that the treatment had an effect.
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