A market research firm is studying the effects of price and type of packaging on sales of a particular product. Twenty-seven stores with shoppers of similar characteristics will be used in the study. The nine combinations of three price levels and three packaging types are the treatments of interest. Total sales of the product over a seven-week period will be recorded. Which of the following describes the best design to use for the study?

Ill mark brainliest to whoever answers first correctly hurry! a vehicle's is the entire piece of plastic that spans the front end of the passenger cabin. a. instrument panel b. control panel c. dashboard d. frontboard

Describe the relationship between bias and variability through an example. given that the proportion of all americans that believe president bush is doing a good job is 42%, you then conduct a series of 10 polls to confirm or refute this claim of 42%. describe your results a) there is high bias and high variability in your results. b) there is high bias and low variability in your results. c) there is low bias and high variability in your results. d) there is low bias and low variability in your results.

Is one accepted term for an early childhood professional who provides care and education to small groups of children in the home