Chapter 2 - Methods for Describing Sets of Data - Exercises 2.48 - 2.70 - Applying the Concepts - Basic - Page 58: 2.63a

Mean = $-4.86$ Median = $-4.85$ Mode = $-5$

Let's import the dataset file into our spreadsheet calculator, and invoke the descriptive statistics feature of the Data Analysis add-on, as illustrated in the screen snip below. The information we obtain is: Mean = $-4.86$ Median = $-4.85$ Mode = $-5$