Exercise

Descriptive statistics

This exercise will cover how to get simple descriptive statistics for individual variables from the abalone dataset and for multiple variables at once. You will use the functions pull(), mean() and median() for single variables and select() and summary() to get summary statistics on multiple variables at once.

The abalone dataset and dplyr package are already loaded for you.

Instructions

100 XP

Find the mean length of the abalones using both the pull() and mean() functions.
Find the median whole weight of the abalones using both the pull() and median() functions.
Get summary statistics of diameter and shell weight using the select() and summary() functions.

Take Hint (-30 XP)