QNT 275 Week 2 Practice: Connect Knowledge Check
QNT 275 Week 2 Practice: Connect Knowledge Check
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QNT 275 Week 2 Practice: Connect Knowledge Check
https://plus.google.com/u/0/108200033792883877670/posts/dWT4sDYbQKM
QNT 275 Week 2 Practice: Connect Knowledge Check
Complete the Week 2 Knowledge Check in Connect.
Note: You have unlimited attempts available to complete practice assignments.
1.
In a statistics class, 10 scores were randomly selected with the following results: 74, 73, 77, 77, 71, 68, 65, 77, 67, 66.
What is the IQR?
11.00
10
5.00
5.25
12.00
2.
A quantity that measures the variation of a population or a sample relative to its mean is called the ____________.
range
interquartile range
standard deviation
coefficient of variation
variance
3.
An observation separated from the rest of the data is a(n) ___________.
absolute extreme
outlier
quartile
mode
4.
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?
QNT 275 Week 2 Practice: Connect Knowledge Check
https://plus.google.com/u/0/108200033792883877670/posts/dWT4sDYbQKM
QNT 275 Week 2 Practice: Connect Knowledge Check
Complete the Week 2 Knowledge Check in Connect.
Note: You have unlimited