In one-way ANOVA,the amount of total variation that is unexplained is measured by the:

A) sum of squares for treatments.
B) degrees of freedom.
C) total sum of squares.
D) sum of squares for error.

Setting k = 3,determine the simple moving average forecast for the year 2001.

In reference to the equation: , the value -0.80 is the y-intercept.

As a source of income after retirement, Ian Donnelly sells an assortment of hard-to-find, specialty hardware items out of his home. Ian buys a pair of small "ratchet-style" pruning clippers for $15 each and sells them for $45 each. What is the markup percent based on selling price?

The process of collection,organization,and description of data is called ________.

A) predictive statistics
B) statistical inference
C) descriptive statistics
D) decision modeling