How to obtain regression models

by M.D   Last Updated October 10, 2019 03:19 AM

I want to use R or Minitab to answer the following questions, but don't know how. I would appreciate it if anyone can help me.

A new method of measuring body fat percentage is investigated. The body fat, age (between 23 and 61 years), and gender (4 males and 14 females) of 18 normal adults are given in the file bodyfat. a)Is it useful to include an interaction term for age and gender? b)From the fitted model, obtain the regression models separately for males and females. I already found the fitted model for the dataset: Y = 15.07 + 0.33 age – 9.79 gender

dataset: enter image description here

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