Consider the accompanying data on plant growth after the
application of different types of growth hormone.
1: 13 18 6 14
2: 22 14 21 16
3: 19 16 21 17
4: 7 11 18 10
5: 6 12 14 7
(a) Perform an F test at level α = 0.05. State the appropriate
hypotheses.
Calculate the test statistic. (Round your answer to two decimal
places.)
(b) What happens when Tukey’s procedure is applied? (Round your
answer to two decimal places.)
w =
Which means differ significantly from one another? (Select all that
apply.)
x1. and x2.
x1. and x3.
x1. and x4.
x1. and x5.
x2. and x3.
x2. and x4.
x2. and x5.
x3. and x4.
x3. and x5.
x4. and x5.
There are no significant differences.
