9.2602803603603606407507707901110y150175250280237450500520530823Is there a correlation?If yes, what function family?What is the equation that describes this data?If linear, what is the correlation coefficient?What does this mean?What is the coefficient of determination?Is this equation a good one to use forpredictions? Why?

Given that x 260 280 360 360 360 640 750 770 790 1110 y 150 175 250 280 237 450 500 520 530…

Answered: 9. 260 280 360 360 360 640 750 770 790…

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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Answer parts a. & b. Part a. graphs and data are in the image. a. Which graph shows a scatter plot the data? (see image). There appearsto be _____ linear relationship between x and y. b. What is the correlation coefficient? r= ___ (Round to two decimal places as needed)
D coefficient correlation please. Formula provided.
It’s question 7.6 I need help with. It’s extremely confusing to me on how to answer the subset questions, a and e
What is the correlation between happiness and volunteer hours? Enter your value with three decimal places; do not include a zero to the left of the decimal point (i.e., .001, not 0.001, not .01, not .1). You only need to include the direction sign for a negative correlation.
Which one of the following statements is true? The correlation coefficient is not affected by outliers. O In the context of correlation and regression, as long as the correlation is strong, it's okay to infer that the explanatory variable causes the response variable. O The "P" in P-value stands for "practical." O The slope in a regression equation tells us what we predict y to be if x is equal to 0 O It is not necessary to know the population size in order to compute the standard deviation of the sampling distribution.
1. The chart of data represents the heart rate (beats per mimute) of a jogger over time (minutes). Time (Min) 1 3 4 6. 7. 8. BPM 81 84 86 91 97 102 108 112 la. Write the cquation of the Line of Best Fit Your answer 1b. What is the correlation coefficient? Your answer
What is another possible explanation for this correlational relationship? Since this is just a correlation, we can’t be sure if age causes changes in your field goal percentage. So, what is one possible other explanation that you can come up with for the correlation that you calculated (hint: think about possible "third variable" explanations for this correlation---what other variables or factors might be causing changes in both x and y that could explain this correlation?).
Which one of the following statements is true? When predicting one quantitative variable based on another, the variable you are trying to predict should always go on the x-axis of the scatterplot. The intercept in a regression equation can never negative. The correlation coefficient has no units. A very strong relationship between variables can result in a value of r that is larger than 1. A correlation coefficient can only range in value from 0 to 1.
What is another possible explanation for this correlational relationship? Since this is just a correlation, we can’t be sure if age causes changes in your field goal percentage. So, what is one possible other explanation that you can come up with for the correlation that you calculated (hint: think about possible "third variable" explanations for this correlation---what other variables or factors might be causing changes in both x and y that could explain this correlation?).
The results from a research study indicate that adolescents who watch more violent content on television also tend to engage in more violent behavior than their peers. The correlation between amount of TV violent content and amount of violent behavior is an example of Question 25 options: a positive correlation a negative correlation a correlation near zero a correlation near one
QUESTION 23 What degree of correlation is depicted by the plot below? -100- r=-1 -120 -140- -160- -180 -200 150 175 200 225 250 QA negative perfect correlation OB. positive moderate corelation C.negative moderate correlation Click Save and Submit to sape and subnit. Click Sare AllAnners to sate all anncere. TESHISA D9 8 P Y E R K

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