The survey from Exercise 1 had also asked the customers to say whether they were male or female. Here are the data:
Construct boxplots to compare the ages of men and women and write a sentence summarizing what you find.
Answer to relevant QuestionsThe store manager from Exercise 2 has collected data on purchases from weekdays and weekends. Here are some summary statistics (rounded to the nearest dollar): Weekdays: n = 230Min = 4, Q1 = 28, Median = 40, Q3 = 68, Max = ...The five-number summary for the ages of 100 respondents to a survey on cell phone use looks like this: Are there any outliers in these data? How can you tell? What might your next steps in the analysis be? A researcher, interested in studying gender differences in negotiations, collects data on the prices that men and women pay for new cars. Here is a histogram of the discounts (the amount in $ below the list price) that men ...For the histogram you made in Exercise 2a: a) Is the distribution unimodal or multimodal? b) Where is (are) the mode(s)? c) Is the distribution symmetric? d) Are there any outliers? Insurance companies don’t know whether a policy they’ve written is profitable until the policy matures (expires). To see how they’ve performed recently, an analyst looked at mature policies and investigated the net ...
Post your question