Frequency
greenhouse
garden
15
10
5
0
0
5
10
15
0
5
10
15
Height
t.test(height ~ location, data = bean.plants, alternative = "two.sided")
## Welch Two Sample t-test
data: height by location
t = 1.8747, df = 70.298, p-value = 0.06498
alternative hypothesis: true difference in means between group greenhouse and group garden
95 percent confidence interval:
-0.07957288 2.57502449
sample estimates:
mean in group greenhouse mean in group garden
10.413812 9.166086
