Meteorologists study the climate of Texas. Using the data from the website ("http://www.usclimatedata.com") they estimate the average precipitation in inches for three cities: Austin, Houston and San Antonio. Using a multiple comparison procedure the meteorologists identify the differences between the average precipitation level, in inches per month, for the considered three cities, and construct the Tukey-Kramer confidence interval for 95% Studentized range critical value. Help the meteorologists to draw a correct conclusion about the differences between the average precipitation levels in these cities.
A) (Austin and San Antonio) , and
(Houston) differs from
and
.
B) (Austin and Houston) , and
(San Antonio) differs from
and
.
C) (Houston and San Antonio) , and
(Austin) differs from
and
.
D) All three μ's are different
Correct Answer:
Verified
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