Difference between revisions of "EBook Problems StudentsT"
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Revision as of 02:47, 26 January 2009
EBook Problems Set - Student's T Distribution
Problem 1
Estimate the critical value of t for a 95% confidence interval with df = 15
- Choose one answer.
- (a) 2.131
- (b) 1.17
- (c) 1.71
- (d) 3.45
Answer
Problem 2
How does the shape, center, and spread of t-models change as its degrees of freedom increases?
- Choose one answer.
- (a) The shape and center stays the same, but the spread becomes narrower.
- (b) The shape and center stays the same, but the spread becomes wider.
- (c) The shape and spread stays the same, but the center will increase.
- (d) The shape and spread stays the same, but the center will decrease.
Answer
- Back to Ebook
- SOCR Home page: http://www.socr.ucla.edu
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