Make a scatter diagram for the data. Use the scatter diagram to describe how, if at all, the variables are related.07 6x 4 9 7 6105y 6 9 7 7 8 5O A.The variables appear to be positively,linearly related.AyQ20-16-12-8-4-0-+..............X M45403020-16-12-84-O B.O C.The variables do not appear to be linearly The variables do not appear to berelated.linearly related.QAyQX0-pr40454CQ...20-16-12-8-4-X M0->>Qna naO D.The variables appear to be negatively,linearly related.Ay20-16-1258-4-X0-4p>40404QQ

Answered: Make a scatter diagram for the data.…

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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21
Below is data for two variables, X and Y. Answer the questions that follow. X Y X-MX Y-MY (X-MX)2 (Y-MY)2 (X-MX)(Y-MY) 3 3 -2 -1 4 1 2 4 3 -1 -1 1 1 ___ 6 4 1 ___ 1 0 0 7 6 2 2 ___ 4 4 What is the missing value under the Y-MY column?
Complete parts (a) through (h) for the data below. X 2 3 4 6 7 y 3 6 10 15 18 (a) By hand, draw a scatter diagram treating x as the explanatory variable and y as the response variable. Choose the correct scatter diagram below. A. Ax 10- 20 y 20- Ay 10 10- (b) Find the equation of the line containing the points (2,3) and (7,18). y= ☐ X X+ (Type integers or simplified fractions.) X 20 -0 10 X
= 1:30 Ⓒ SEQUENCES, SERIES, AND PROBABILITY Mean of a data set hours www-awu.aleks.com/a Explanation ~~. A group of 7 students was asked, "How many hours did you watch television last week?" Here are their responses. 14,12,9,5,5, 11,6 Find the mean number of hours for these students. If necessary, round your answer to the nearest tenth Check ||| ? 5G UC 16% 2 O 22 • 유
What does it mean if r=0? Choose the correct answer below. O A. A relationship does exist between the varjables O B. No relationship exists between the variables O C. A linear relationship does exist between the variables, O D. No linear relationship exists between the variables. Click to select your answer. I 9:2 acer 女 esc @ # $ % & * 1 2 3 4. 5 7 8 tab e y a S d g h k t.
The table below shows the number of state-registered automatic weapons and the murder rate for several Northwestern states. 11.6 8.1 7.1 3.9 2.9 2.6 2.1 0.7 13.7 10.7 10.2 7 6.5 6.5 5.7 4.7 thousands of automatic weapons y = murders per 100,000 residents This data can be modeled by the linear equation 0.83x + 4.08 a. How many murders per 100,000 residents can be expected in a state with 10.3 thousand automatic weapons? Round to 3 decimal places. murders per 100,000 residents b. How many murders per 100,000 residents can be expected in a state with 2.5 thousand automatic weapons? Round to 3 decimal places. murders per 100,000 residents
4. For each picture below, draw a line from the picture to its respective equation. 2 1 %3! 3 2 1 2 1 23 2 1 2 1 326 3 !! Note: x represents of and x; represents-of 3 2 X
5. Determine if the pair of lines are parallel, perpendicular or neither. y = 3x + 4 %3D (3x +6y+1 b. a. 1-3x = -y- 7 Sx+y 2 y = * 1-x%35-y (-x%-5- y 16. Write the equation of the line that passes through the given point and is parallel to the given line. a. (2,5); 4x - y = 7 b. (4,- 2); x =y- 2 17. Write the equation of the line that passes through the given point and is perpendicular to the given line. a. (-6,3); y + 3x = -12 3 b. (1,-5); x =-! qY+5 Section 2.5 - Practice Problems 18. Find the x and y intercepts for each of the following. a. f(x) = x* – 13x² + 36 b. f (x) = -2V3x – 5 + 6 c. f(x) = x³ – 8x2 – 48x d. f (x) = 2x – 4x² %3D %3D 19. Write the equation of the circle with the given properties. b. r = V8, centered at (4,-6) a.r = 4, centered at (-2,3) 20. Find the radius and center of the circle with the given equation. b. (x + 2) + y2 = 41 %3D a. (x + 5)2 + (y –- 6)² = 81 Section 3.1 -Practice Problems 21. Graph the given function. b. f(x) = V2x + 1 c. f(x) = 2|x + 1| – 1 a.…
Test the following data to see whether they are linear. x 2 4 6 8 y 10 17 24 31
Solve.
Let s be a person's annual salary (in thousands of dollars) after she has worked for t years at a company. Some pairs of values of t and s are shown in the table below. t (years) 0 1 3 6 s (thousands of dollars) 54 57 63 72 a) Create a scattergram of the data. b) Draw in a linear model on the same grid. c) Use your graph to estimate when the person's salary will be $66 thousand. (Show your work on the graph.) d) What is the s-intercept of the model? Interpret it in terms of this application.
Below is data for two variables, X and Y. Answer the questions that follow. X Y X-MX Y-MY (X-MX)2 (Y-MY)2 (X-MX)(Y-MY) 3 3 -2 -1 4 1 2 4 3 -1 -1 1 1 ___ 6 4 1 ___ 1 0 0 7 6 2 2 ___ 4 4 What is the missing value under the (X-MX)2 column?

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