When could we use n rather than (n-1) in the denominator for sample variance? Why?
What will be an ideal response?
Main points:
When the scores are treated as the population.
When ? is known and used in the formula for variance.
When ? is known and used in the formula for variance no correction is necessary. The sum-of-squares will not be an underestimate (on average).
You might also like to view...
Hallucinogens:
a. distort the senses b. have never been street drugs c. are unrelated to mushrooms d. slow the central nervous system
Although he is not legally related to him, Tony is Nunzio's godfather. This relationship, which unites two families, is an example of __________
A) fictive kinship B) village endogamy C) a Ponzi scheme D) omerta
The type of institution that is the least likely to be global or to unite the world, is ______
a. entertainment-arts b. religious c. labor d. legal/political
Which of the following businesses was listed by Forbes as the #1 business to work for in 2016?
A. Google B. Amazon C. Starbucks D. Walmart