Question
Which national park has more bears? Random samples of plots of ten square miles were taken in different parts of Yellowstone National Park, Yosemite National
Which national park has more bears? Random samples of plots of ten
square miles were taken in different parts of Yellowstone National Park, Yosemite
National Park and Glacier National Park. The bear counts per square mile were
recorded as shown below:
Yellowstone
Yosemite
Glacier
2
3
8
1
0
3
4
4
5
2
1
8
We want to test whether there is a difference in the mean number of bear per ten
square mile plot in these three different parks using a 5% level of significance.
a.
State the hypotheses.
b.
Calculate the SS
TOTAL
, SS
BETWEEN
, and SS
WITHIN
.
c.
Using these values, create the summary table for your ANOVA test.
d.
From the table, state the test statistic and p-value, and state your conclusion
at the 5% level of significance.
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