GP 454

subject Type Homework Help
subject Pages 3
subject Words 452
subject Authors Douglas Lind, Samuel Wathen, William Marchal

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page-pf1
When H0: is rejected in ANOVA, we compute ____________ to identify pairs of means
that differ.
The human resources department of a software company encourages their employees to
participate in a wellness program. They sampled 16 employees, 2 males and 2 females
from four different workout routines and measured their peak heart rate. The ANOVA
for the research follows.
Which source of variation significantly affects peak heart rate?
The prime rate of interest is an example of a(n) ______________ level of measurement.
page-pf2
A company has data on annual revenue for ten years beginning in 1995. The company
wants to compute an index using the revenues from 1995, 1996, and 1997 as the base. If
the revenues for the three years were (in $millions) $1.5, $1.3, and $2.0, what is the
base value?
A ___________ uses dots to show frequencies.
To compare the effect of weather on sales of soft drinks, a distributor surveyed people
in two regions of the country and asked if they purchased soft drinks in the last month.
The following are the results. The distributor would like to know if there is a difference
in sales between the two regions.
Test the hypothesis with a 0.01 significance level. What is our decision?
page-pf3
The following stem-and-leaf display reports the number of boats shipped per week by
Ottertail Boats, Inc.
11| 1 5 9
12| 0 1 2 2 6 9
13| 0 1 2 3 4 5 5 7 8 8 9
14| 2 6 8
15| 0 1 2 4 5 7 8 9
16| 1 5 7 9
List the actual values in the fourth class.

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