BUS 595 Midterm 2

subject Type Homework Help
subject Pages 4
subject Words 543
subject Authors Douglas Lind, Samuel Wathen, William Marchal

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A manufacturer of golf club shafts inspects 50 shafts every day. Over the last ten days,
the number of defective shafts has been reported to be the following.
What is the mean proportion of defective shafts?
Ages (rounded to the nearest whole year) of employees at a large company were
grouped into a distribution with the following class limits:
20 up to 30
30 up to 40
40 up to 50
50 up to 60
60 up to 70
What is the class interval?
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The midpoint of a class interval is also called a class ________.
What is the difference between a permutation and a combination?
In constructing a frequency polygon, class frequencies are scaled on the ______ axis.
Two business major students, in two different sections of an economics class, were
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comparing test scores. The following shows the sections' mean and standard deviation.
The student in section 1 scored 84, while the student in section 2 scored 75. The student
from section _____ scored better compared than the rest of the section.
All values in an F distribution must be _____________.
When a second source of variance is included in the ANOVA analysis without
interaction, that source is called a _________________.
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How can the probabilities assigned to states of nature be determined?
If a set of quantitative observations contains an extreme value, the most representative
measure of central location would be the __________.

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