Using the data in the scatter plot, what can you tell about the slope of a good model?115110105100959019801990200020102020O The slope is negative.O The slope is zero.The slope is positive.O There is no association.

The given plot shows the scatterplot for the data.

Answered: Using the data in the scatter plot,…

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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Fireworks and Injuries These data were obtained for the years 1993 through 1998 and indicate the number of fireworks (in millions) used and the related injuries. Fireworks in use x Related injuries y 67.6 12 87.1 12 117 12 115 10 118 7800 Send data to Excel Draw a scatter plot.
I need help with 1 & 2
Which of the following lines has a slope of zero? O line a O neither line a or b O both lines a and b O line b 80 000 F2 F3 F4 F5 F6 F7 F8 @ & * 3 4 5 6 7 00
Display the accompanying data in a dot plot. Describe the differences in how the stem-and-leaf plot and the dot plot show patterns in the data. Click the icon to view the data. Construct a dot plot. Choose the correct graph below. A. O C. 1 1 2 2 4 ■■ ■ 3 3 N B. D. 0 0 1 10 4 2 20 F3₂ 30 40
Find the slope of the line represented by the data below. X -3 -2 -1 1 У 12 8 4 -4 Simplify completely. Slope = [?] Help
Make a scatter plot of the data and determine which type of model best fits the data. (-3,-1), (-2,0), (-1,1), (0,2), (1,3), (2,4)
Roller coasters get their speed as a result of dropping down a steep incline. The table below gives height of a drop and the speed achieved for different roller coasters around the world. Drop in Meters (m 25 30 28 58 55 40 90 100 Speed of the coaster (k.p.h) 80 90 78 93 90 93 105 128 Have your calculator find the linear regression for the roller coaster data above. Write the linear model, clearly define the variables and state correlation coefficient and clearly interpret the slope. Use the model to find the drop height that will result in a coaster speed of 150 kph. Have your calculator find the exponential regression for this data. Write the exponential model, clearly define the variables and state correlation coefficient. Use the model to find the drop height that will result in a…
Credit Score An economist wants to determine the relation between one’s FICO score, x, and the interest rate of a 36-month auto loan, y. The given data represent the interest rate ( in percent) a bank would offer on a 36-month auto loan for various FICOscores. Credit Score, x Interest Rate(percent),y 545 18.982 595 17.967 640 12.218 675 8.612 705 6.680 750 5.150 a. Find the least-squares regression line (Equation)treating the FICO score, x, as the explanatory variable and the interest rate , y, as the response variable. b. Determine the linear correlation coefficientbetween compensation and stock return. c. What type of linear relation exist between the two variable? d. Compute the coefficient of determination. e. Interpret the coefficient of determination. f. Draw a Scatter diagram of the data.
Instructions: Use the data given to create a scatter plot, calculate the line of best fit and interpret the slope and y-intercept in context. A random sample of ten professional athletes produced the following data where x is the number of endorsements the player has and y is the amount of money made (in millions of dollars). x y 0 2 3 8 2 7 1 3 5 13 5 12 4 9 3 9 0 3 |4 10 The dependent variable is the number of endorsements + made. The independent variable is the number of millions + made. The regression equation is y =| x+ (Round to hundredths.) The y-intercept tells us that if an athlete had endorsements, they would expect to make about million dollars (round to hundredths).
Which trend line best represents the data in the scatter plot? Line A Line B or Line C?
Use a dot plot to display the data, which represent the systolic blood pressures (in millimeters of mercury) of 24 patients at a doctor's office. Describe any patterns. 120 135 140 145 130 150 120 170 145 125 135 110 160 180 200 150 200 135 200 120 130 170 165 140 Which dot plot below displays the data? A. 105 115 125 135 145 155 165 175 185 195 205 105 115 125 135 145 155 165 175 185 195 205 What best describes the data? O A. Most of the values are greater than 150. B. Most of the values are between 120 and 150. C. The values are evenly spread from 110 to 200. D. Most of the values are between 140 and 180. B. O D. 105 115 125 135 145 155 165 175 185 195 205 Г-Т 105 115 125 135 145 155 165 175 185 195 205 Q ✪
A researcher explored the relationship between the percent of snow days during the month of January and the percent of students that receive an A on class finals at the same schools. The researcher collects information from 6 schools, shown in the table below. Use the graph below to plot the points and develop a linear relationship between the percent of January snow days and the percent of 'A' final exams. School Number % of Snow Days % of A Finals 1 5 25 2 7 45 3 10 50 4 12 65 5 20 70 6 25 86 Using the linear relationship graphed above, estimate the percent of 'A' finals if there are 2% snow days. Provide your answer below:

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Using the data in the scatter plot, what can you tell about the slope of a good model? 115 110 105 100 95 90 1980 1990 2000 2010 2020 O The slope is negative. The slope is zero. O The slope is positive. O There is no association.