CHALLENGE ACTIVITY 2.3.2: Excel: Linear regression. Click this link to download the spreadsheet for use in this activity. 387884.2532066.qx3zqy7 Start 1 2 The famous iris dataset (the first sheet of the spreadsheet linked Fisher. The dataset contains 50 samples from 3 iris species: seto: measured, all in cm: sepal length, sepal width, petal length, and pe What is the equation for the least square regression line where the and the dependent or response variable is petal width for iris vers y = Ex: 1.234 Ext Ex: 1.234 What is the predicted petal width for iris versicolor for a flower wit Ex: 5.12 ~ cm 1 2