Please help step by step with explanation with Program R (CS) with a final code for understanding thank you. Problem#217. You Explain It! Video Games and GPAs A student at JolietNW Junior College conducted a survey of 20 randomly selectedfull-time students to determine the relation between thenumber of hours of video game playing each week, x, andgrade-point average, y. She found that a linear relation existsbetween the two variables. The least-squares regression linethat describes this relation is ŷ= -0.0526x + 2.9342.(a) Predict the grade-point average of a student who playsvideo games 8 hours per week.(b) Interpret the slope.(c) If appropriate, interpret the y-intercept.(d) A student who plays video games 7 hours per week hasgrade-point average of 2.68. Is this student's grade-pouaverage above or below average among all students why.play video games 7 hours per week?

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Please help step by step with explanation with Program R (CS) with a final code for understanding thank you.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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System Model Approaches

The systems model approach is a process-oriented representation that emphasizes the impact or flow of information between modules. The multidisciplinary study of the use of models to design and create systems in business and IT development is known as systems model approach. It models how processes interact and what these processes do, but it does not go into detail about how these processes are implemented. Functional decomposition may be utilized to enhance the models employed in this technique, and they can be coupled to requirements models for additional system partitioning.

Question

Please help step by step with explanation with Program R (CS) with a final code for understanding thank you.

Problem#2
17. You Explain It! Video Games and GPAs A student at Joliet
NW Junior College conducted a survey of 20 randomly selected
full-time students to determine the relation between the
number of hours of video game playing each week, x, and
grade-point average, y. She found that a linear relation exists
between the two variables. The least-squares regression line
that describes this relation is ŷ= -0.0526x + 2.9342.
(a) Predict the grade-point average of a student who plays
video games 8 hours per week.
(b) Interpret the slope.
(c) If appropriate, interpret the y-intercept.
(d) A student who plays video games 7 hours per week has
grade-point average of 2.68. Is this student's grade-pou
average above or below average among all students why.
play video games 7 hours per week?

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