Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

2. The data below are the number of absences and the final grades of 9 randomly selected students from a literature class. Number of absences,

image text in transcribed
image text in transcribed
2. The data below are the number of absences and the final grades of 9 randomly selected students from a literature class. Number of absences, x 0 3 16 9 2 15 8 5 Final grade, y 98 86 80 82 1 92 55 76 82 a. Find the linear correlation coefficient. Interpret this in the context of the data. b. Find the linear regression equation. Round the regression line values to the nearest hundredth. What is the slope and the y-intercept? Interpret the slope and the y-intercept in the proper context of the problem. c. What would be the predicted final grade if a student was absent 14 times? Show computations. d. "If the student got a grade of 65, what is his number of absences as specified in this regression model? e. Find the coefficient of determination. Interpret this. f. Is the linear regression equation a good model for prediction? Why

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_2

Step: 3

blur-text-image_3

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

A First Course In Discrete Mathematics

Authors: John C Molluzzo, Fred Buckley

1st Edition

1478634383, 9781478634386

More Books

Students also viewed these Mathematics questions

Question

2. Ask questions, listen rather than attempt to persuade.

Answered: 1 week ago