Question 17:the scatter plotsHave youidentified anysignificantrelationships?765432100●Question248765432100Sadness6●●2810Happiness48765432100●628Connected4106Paste allhere.810

Scatterplots are substantially used to exhibit the relationship between the mentioned variables. It…

Answered: Question 17: the scatter plots Have you…

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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Suppose a researcher collects data on the bacterial contamination, measured in colony-forming unit per milliliter, for both upstream and downstream sections of 35 rivers. The data is plotted with upstream bacterial contamination on the horizontal axis and downstream bacterial contamination on the vertical axis. The Scioto River is an outlier in the ?y‑direction. What must be true about this river? The upstream bacterial contamination for this river is much higher or lower than the rest of the rivers in the data set. The downstream bacterial contamination for this river is much higher or lower than other rivers in the data set that have similar upstream bacterial contamination. This river is an influential observation. The downstream bacterial contamination for this river is much higher or much lower than the rest of the rivers in the data set. The absolute value of the residual of this river is large.
Class 2 Class 1 30 Grades of Two Classes + 40 50 60 + 70 80 90 100 110 120 Grade The box plots above show the grades of two classes. Use these box plots to answer the following questions: 1. What is the IQR of Class 1? 2. What is the range of Class 2?
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A , B , C , D ?
Readin AB CLASS REFERENC... Question 18 3 pts 18. Given stem and leaf plot. Find mode. stem leaf 1, 1, 2, 2, 3, 4, 4, 4, 4, 5, 8 0, 0, 0, 1, 1, 3, 7, 9 5, 5, 7, 7, 8, 8, 9, 9 0, 1, 1, 1, 2, 2, 2, 4, 5 0, 4, 8, 9 2, 6, 7, 7, 8 1 2 4 6 3, 6 Key: 6|3 = 63 years old %3D
Based on the box plot, what are the range and ther interquartile range?
5. The ages (in years) of players on a basketball team are listed below. Use a stem-and-leaf plot to find the median age. 18, 32, 27, 28, 34, 31, 31, 32, 34, 26, 29, 20, 19 BIUS X, x¹ T₂ A-0- rc/ Source
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How would you describe the data in the following dot plot? 1 2 3 4 5 6 7 8 9 10 O uniform O skewed left O skewed right O symmetrical ●●●●º 0000 00
Number 13
11 10- 9+ 8 . 7- 1 6- 13 11- 10- 0 1234 4 567 8 9 10 11 9+ 8+ 7- 6- 5- 4- 3. 2+ 1+ 0 11 10- 9- 8+ 7+ 6+ 5 4- 3 J 2. 1- 0 Scatter Plot A Scatter Plot B 1 2 3 4 5 6 7 8 9 10 11 Scatter Plot C 1 2 3 4 5 x 6 7 8 9 10 11 4- 3- 2+ 1+ -1. -2- -3- 4- -5- Residual Plot 1 Which scatter plot matches this residual plot? ✓ Choose one 8 9 10 Scatter Plot A Scatter Plot B Scatter Plot C the line of best t? v 3- 2. 1. -1- -2+ -3. -5_ Residual Plot 2 6 Which scatter plot matches this residual plot? Choose one V What best describes the line of best fit for the scatter plot? Choose one v 2. -1 -3 -4- -5_ Residual Plot 3 6 ● Which scatter plot matches this residual plot? Choose one X What best describes the line of best fit for the scatter plot? Choose one Ś v
The paired data below show the Coursework marks of 6 randomly selected students from a statistics course at UWI and their Final Exam marks in the same course. Coursework Mark, x Final Exam Mark, y > x yresult summary (result). Call: 1m (formula y x) Residuals: 1 A 27 22 B 28 34 A linear regression equation was found using R, and the output is shown below. 2 3 4 -7.5563 3.5822 0.3659 3.3830 -1.7252 1.9509 Student Coefficients: Estimate Std. Error t value Pr (>t|) (Intercept) 6.2964 4.6774 1.346 0.24949 0.1706 5.048 0.00724 ** 0.8615 C с 12 17 D 41 45 Signif. codes: 0 **** 0.001 **0.01 0.05 0.11 Residual standard error: 4.698 on 4 degrees of freedom Multiple R-squared: 0.8643, Adjusted R-squared: 0.8304 F-statistic: 25.49 on 1 and 4 DF, p-value: 0.007239 E 33 33 F 9 16 a) Write out the model for the simple linear regression. Define all terms used in the model. b) What are the values of the intercept and the slope of the regression equation? c) Write out the regression equation. d) A UWI…

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Question 17: the scatter plots Have you identified any significant relationships? 7 6 5 4 3 2 1 0 0 ● ● Question ● 2 4 8 7 6 5 4 3 2 1 0 0 Sadness ● ● 6 ● ● ● ● ● 2 8 ● 10 Happiness 4 8 7 6 5 4 3 2 1 0 0 ● ● ● 6 8 Connected 10 6 Paste all here.