Question: To graphically represent the relationship between the variables TRAVELTIME and GENDER, it is most appropriate to use a Pareto chart. bar chart. side-by-side boxplot (or

To graphically represent the relationship between the variables TRAVELTIME and GENDER, it is most appropriate to use a

Pareto chart.

bar chart.

side-by-side boxplot (or parallel boxplot).

scatterplot.

pie chart

It is assumed that the lifetime of a particular type of battery is normally distributed with mean of 200 hours and a standard deviation of 25 hours. Which of the following is a reasonable estimate of a random battery lasting between 200 and 225 hours?

A. 97.5%

B. 68%

C. 2.5%

D. 34%

E. 52.5%

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