QNT 275 Week 2 Quiz | Assignment Help | University Of Phoenix
- University of Phoenix / QNT 275
- 22 Oct 2018
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QNT 275 Week 2 Quiz | Assignment Help | University Of Phoenix
1.
In a hearing test, subjects estimate the
loudness (in decibels) of a sound, and the results are (mean = 70): 68, 67, 70,
71, 68, 75, 68, 62, 80, 73, 68.
What is the range?
2.
The median is the
value below which and above which approximately 50 percent of the measurements
lie.
3. Which of the following is not a graphical tool for
descriptive analytics (dashboards)?
4. ________ can be used to study the
relationship between two variables.
5. Quality control is an important issue at ACME Company,
which manufactures light bulbs. To test the life-hours of their light bulbs,
they randomly sampled nine light bulbs and measured how many hours they lasted
(mean = 346.6).
378, 361, 350, 375, 200, 391, 375, 368, 321
What is the range?
6. A quantity that measures the variation of a population
or a sample relative to its mean is called the ____________.
7.
A bar chart is a graphic that can be used to depict
qualitative data.
8.
Quality control is an important issue at ACME
Company, which manufactures light bulbs. To test the life-hours of their light
bulbs, they randomly sampled nine light bulbs and measured how many hours they
lasted: 378, 361, 350, 375, 200, 391, 375, 368, 321.
What is the mean?
USA 
India