Compared to One Generation Ago,food and Drink Portions in America

question 47

Multiple Choice

Compared to one generation ago,food and drink portions in America have

• A)remained constant.
• B)no more than doubled.
• C)doubled or tripled.
• D)increased by a factor of ten.

---

Definitions:

Independent SRSs

Independent Simple Random Samples; a sampling technique where each subset of the population has an equal probability of being chosen, and the selections are made independently of each other.

Normally Distributed

Describing a data set where the observations are symmetrically distributed around the mean, forming a bell-shaped curve.

SSE

SSE, or Sum of Squares Error, is a measure used in statistics to describe the amount of variation or deviation of sample values from the fitted values in a model.

F Statistic

The F statistic is used in statistical testing to compare the variances among group means to decide if they significantly differ from each other.