# Question

The price (in dollars) is given for some foods at Target and at Whole Foods. Assume the price at Target is the predictor. (Source: StatCrunch: organic food price comparison fall 2011. Owner: kerrypaulson)

a. Make a graph and report whether the trend is linear. If the trend is not linear, comment on what it shows, and do not go on to subsequent parts.

b. If the graph is linear, find the equation of the best-fit line, and put the line into the graph.

c. Interpret the slope in context.

d. Either interpret the intercept or explain why it is not appropriate to do so.

a. Make a graph and report whether the trend is linear. If the trend is not linear, comment on what it shows, and do not go on to subsequent parts.

b. If the graph is linear, find the equation of the best-fit line, and put the line into the graph.

c. Interpret the slope in context.

d. Either interpret the intercept or explain why it is not appropriate to do so.

## Answer to relevant Questions

Happiness ratings were from 1 (least happy) to 100 (most happy). Data are at the text’s website. Use age as the independent variable. (Source: StatCrunch: Responses to Happiness Survey. Owner: Webster West) a. Make a graph ...The scatterplot shows information about the world’s tallest 169 buildings. “Stories” means “Floors.” a. What does the trend tell us about the relationship between stories and height (feet)? b. The regression line ...The figure shows a scatterplot of the educational level of twins. Describe the scatterplot. Explain the trend and mention any unusual points. (Source: www.stat.ucla.edu) A busy street has three traffic lights in a row. These lights are not synchronized, so they run independently of each other. At any given moment, the probability that a light is green is 60%. Assuming that there is no ...Referring to the table given in Exercise 5.109, name a pair of mutually exclusive events that could result from selecting an individual at random from this sample.Post your question

0