I need help with 8 , 9 & 10 The Smiths are also thinking about adding some premium channels to their cablepackage. They surveyed some friends and discovered the information shown in the table.Inspect the table to determine the slope of the relationship between the cost of cableservice and the number of premium channels.Number of premium channels14Cost$54.98$99.95$114.94What is the cost per premium channel? What does this tell you about the y-intercept?Write a sentence in context, which includes the slope and y-intercept of this relationship.Does the y-intercept make sense in this situation? Explain.

Name: I need help with 8 , 9 & 10 The Smiths are also thinking about adding
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Description: I need help with 8 , 9 & 10 The Smiths are also thinking about adding some premium channels to their cablepackage. They surveyed some friends and discovered the information shown in the table.Inspect the table to determine the slope of the relationsh

Answered: The Smiths are also thinking about…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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I need help with 8 , 9 & 10

The Smiths are also thinking about adding some premium channels to their cable
package. They surveyed some friends and discovered the information shown in the table.
Inspect the table to determine the slope of the relationship between the cost of cable
service and the number of premium channels.
Number of premium channels
1
4
Cost
$54.98
$99.95
$114.94
What is the cost per premium channel? What does this tell you about the y-intercept?
Write a sentence in context, which includes the slope and y-intercept of this relationship.
Does the y-intercept make sense in this situation? Explain.

Expert Solution

Step 1

Consider that x is the independent variable and y is the dependent variable. The size of the observations is n.

The formula for best fitted line is,

Step 2

Here, the sample size is n = 3. The number of premium channels is the independent variable (x) and the cost is the dependent variable (y).

Now, obtain the following table for necessary calculations.

Thus, the slope of the relationship between the cost of cable service and the number of premium channels is 14.99.

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