1 and 2 are from the same exercise. (b) Use a straightedge to sketch the line that you think best fits the data.(c) Find an equation for the line you sketched in part (b). (Use P, = (10, 64) and P2 = (18, 96) to form the line.)V =(d) Use the equation in part (c) to estimate the average test score for a person with an average quiz score of 17. (Round your answer to the nearest whole number.)(e) The instructor adds 4 points to the average test score of each student in the class. Describe the changes in the positions of the plotted points and the change in the equation of the line.Each point will shift four units to the right, so the best-fitting line will move four units to the right.Each point will shift four units to the left, so the best-fitting line will move four units to the left.O Each point will shift four units upward, so the best-fitting line will move four units upward.O Each point will shift four units upward, so the best-fitting line will move four units downward.O Each point will shift four units downward, so the best-fitting line will move four units downward. An instructor gives regular 20-point quizzes and 100-point exams in an algebra course. Average scores for six students, given as data points (x, y), where x is the average quiz score and y is the average testscore, are (14, 88), (10, 64), (18, 96), (13, 75), (11, 69), and (12, 87).(a) Sketch a scatter plot of the data.

Name: 1 and 2 are from the same exercise. (b) Use a straightedge to sketch t
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Description: 1 and 2 are from the same exercise. (b) Use a straightedge to sketch the line that you think best fits the data.(c) Find an equation for the line you sketched in part (b). (Use P, = (10, 64) and P2 = (18, 96) to form the line.)V =(d) Use the equation

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(b) Use a straightedge to sketch the line that you think best fits the data. (C) Find an equation for the line you sketched in part (b). (Use P1 = (10, 64) and P2 = (18, 96) to form the line.) %3D y =

(b) Use a straightedge to sketch the line that you think best fits the data. (C) Find an equation for the line you sketched in part (b). (Use P1 = (10, 64) and P2 = (18, 96) to form the line.) %3D y =

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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Concept explainers

Permutations and Combinations

If there are 5 dishes, they can be relished in any order at a time. In permutation, it should be in a particular order. In combination, the order does not matter. Take 3 letters a, b, and c. The possible ways of pairing any two letters are ab, bc, ac, ba, cb and ca. It is in a particular order. So, this can be called the permutation of a, b, and c. But if the order does not matter then ab is the same as ba. Similarly, bc is the same as cb and ac is the same as ca. Here the list has ab, bc, and ac alone. This can be called the combination of a, b, and c.

Counting Theory

The fundamental counting principle is a rule that is used to count the total number of possible outcomes in a given situation.

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Question

1 and 2 are from the same exercise.

(b) Use a straightedge to sketch the line that you think best fits the data.
(c) Find an equation for the line you sketched in part (b). (Use P, = (10, 64) and P2 = (18, 96) to form the line.)
V =
(d) Use the equation in part (c) to estimate the average test score for a person with an average quiz score of 17. (Round your answer to the nearest whole number.)
(e) The instructor adds 4 points to the average test score of each student in the class. Describe the changes in the positions of the plotted points and the change in the equation of the line.
Each point will shift four units to the right, so the best-fitting line will move four units to the right.
Each point will shift four units to the left, so the best-fitting line will move four units to the left.
O Each point will shift four units upward, so the best-fitting line will move four units upward.
O Each point will shift four units upward, so the best-fitting line will move four units downward.
O Each point will shift four units downward, so the best-fitting line will move four units downward.

An instructor gives regular 20-point quizzes and 100-point exams in an algebra course. Average scores for six students, given as data points (x, y), where x is the average quiz score and y is the average test
score, are (14, 88), (10, 64), (18, 96), (13, 75), (11, 69), and (12, 87).
(a) Sketch a scatter plot of the data.

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