M143 Week 2 Worksheet Math 143 Week 2 Activity Worksheet Linear Regressions Directions: These activity questions are written to follow the Desmos activity for the week. Once you have completed the weekly activity you will be able to answer these questions. You can complete the questions on any document and then hand in the document on Canvas. 1.
In your own words define a regression. Is a set of statistics that help to determine a model for predicting or estimating using a set of variables. 2.
Why would you use a regression? When you want to study the relationship between 2 variables, relate them or even correlate them. 3.
What is the domain of a data set? Explain. Is the area of pre-defined values that you will use in a lot of cases. 4.
What is the range in a set of linear data? Explain. The difference between the largest and smallest numbers. 5.
How many hours per week do you need to spend actively working on Aleks? At least 5 hours per week. 6.
Given the data set {(2, 3), (3, 4.2), (4, 7), (5, 9), (11, 10.89)}