Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

1. A researcher desires to know if the age of a person is related to the ability to lose weight after a strict diet. The

image text in transcribed
image text in transcribed
1. A researcher desires to know if the age of a person is related to the ability to lose weight after a strict diet. The data are shown here. Age of a person 16 18 19 20 22 24 X Number of lost 8 5 7 4 kilos y 3 2 1) Draw the scatter plot. 2) Compute the value of the correlation coefficient. 3) Test the significance of the correlation coefficient at a = 0.05 4) If there is a significant relationship, determine the regression line equation. 5) Predict the weight in kilos lost if a person who is 21 years undergoes a strict diet 6) Plot the regression line on the scatter plot. 7) Calculate the standard error of estimate. 8) Find the 95% prediction interval of the number of lost kilos when the person's age is 17 9) Find coefficient of determination and coefficient of non determination

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Number Theory A Historical Approach

Authors: John J Watkins

1st Edition

1400848741, 9781400848744

More Books

Students also viewed these Mathematics questions