# Question

A recent survey 9 asked 1200 university students in China to pick the personality trait that most defines a person as “cool.” The possible responses allowed, and the percentage making each, were individualistic and innovative (47%), stylish (13.5%), dynamic and capable (9.5%), easygoing and relaxed (7.5%), other (22.5%).

a. Identify the variable being measured.

b. Classify the variable as categorical or quantitative.

c. Which of the following methods could you use to describe these data?: (i) bar chart, (ii) dot plot, (iii) box plot, (iv) median, (v) mean, (vi) mode (or modal category), (vii) IQR, (viii) standard deviation.

a. Identify the variable being measured.

b. Classify the variable as categorical or quantitative.

c. Which of the following methods could you use to describe these data?: (i) bar chart, (ii) dot plot, (iii) box plot, (iv) median, (v) mean, (vi) mode (or modal category), (vii) IQR, (viii) standard deviation.

## Answer to relevant Questions

The 2000 U.S. presidential election had various problems in Florida. One was “over votes”—people mistakenly voting for more than one presidential candidate. (There were multiple minor party candidates.) There were ...For the following pairs of variables, which more naturally is the response variable and which is the explanatory variable? a. College grade point average (GPA) and high school GPA b. Number of children and mother’s ...Consider the formula b = r(sy/sx) that expresses the slope in terms of the correlation. Suppose the data are equally spread out for each variable. That is, suppose the data satisfy sx = sy. Show that the correlation and the ...Consider the data: a. Sketch a scatterplot. b. If one pair of (x, y) values is removed, the correlation for the remaining four pairs equals 1. Which pair is it? c. If one y value is changed, the correlation for the five ...Is there a relationship between how many sit-ups you can do and how fast you can run 40 yards? The EXCEL output shows the relationship between these variables for a study of female athletes to be discussed in Chapter 12. a. ...Post your question

0