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  3. Data Science Visualization - Module 2

Exercise

Exercise 3. Summarizing averages

Now we will repeat the exercise and generate only the average blood pressure for 20-29 year old females. For this exercise, you should review how to use the place holder . in dplyr or the pull function.

Instructions

100 XP

Modify the line of sample code to assign the average to a numeric variable called ref_avg using the . or pull.