Levi makes this histogram to show the number of social media posts his friends made yesterday. How many observations are represented in Levi’s dataset
Since the histogram shows the number of social media posts made by Levi's friends, each bar on the histogram represents one friend. By counting the number of bars in the histogram, we can determine the total number of observations represented in Levi's dataset.
In this histogram, there are 6 bars. Therefore, Levi's dataset includes observations from 6 friends.