**Scatterplot of Y versus X:**The image shows a scatterplot where the variable Y is plotted against the variable X. Each point on the plot represents a pair of values of X and Y.**Graph Details:**- **X-Axis:** The horizontal axis is labeled "X" and ranges from 0 to 25.- **Y-Axis:** The vertical axis is labeled "Y" and ranges from 0 to -50.- **Data Points:** The plot displays a series of black dots, which appear to form a downward linear trend, indicating a negative relationship between X and Y.**Question:**Which choice is most likely to be the correlation coefficient between X and Y?- -0.99 (selected)- 0.99- 0.10- -0.10Based on the clear downward trend in the scatterplot, the correlation coefficient is likely to be strongly negative, suggesting the answer is -0.99.

Answered: Image /qna-images/answer/d8e420d8-55be-42bf-9cac-3a72504e8223.jpg

Answered: Shown below is a scatterplot of 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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Y 2. Describe the direction and strength of the correlations from the following scatterplots. (Are they weak, moderate, strong, or no correlation? Positive, negative, or no correlation?) X X X Y
Which of the following interpretations of correlation is false? 1.Correlation is useful in deciding which variables to manipulate in an experimental study. 2.Correlation indicates the degree of the relationship between two variables. 3.Correlation indicates a causal relationship between two variables 4. Correlation indicates the magnitude of the relationship between two variables.
5. Use the data set to answer the following: {(0,2), (2,5), (-8,19)} a. Find the coefficient of correlation of the line that best fits the above data set. Round your answer to four decimal places if necessary. b. Does the correlation coefficient suggest that a linear model would be appropriate to model the data? Why or why not?
Which measure of central location is meaningful when the data are nominal? A. The mode B. The geometric mean C. The median D. The arithmetic mean A perfect straight line sloping downward would produce a correlation coefficient equal to: А. +1 В. -1 С. +2 D. -2
The given data represent the total compensation for 10 randomly selected CEOS and their company's stock performance in 2009. Analysis of this data reveals a correlation coefficient of r= - 0.2243. What would be the predicted stock return for a company whose CEO made $15 million? What would be the predicted stock return for a company whose CEO made $25 million? Click the icon to view the compensation and stock performance data. i CEO Compensation and Stock Performance E Click the icon to view a table of critical values for the correlation coefficient. What would be the predicted stock return for a company whose CEO made $15 million? Compensation (millions of dollars) Return (%) Stock % (Type an integer or decimal rounded to one decimal place as needed.) 26.45 5.68 12.47 30.19 19.49 31.31 13.07 80.23 12.02 - 8.61 11.95 3.09 26.45 4.21 14.76 11.24 17.86 3.67 14.43 11.38 Print Done
Data is collected on the number of ice cream cones sold in a shop on a certain day and the number of people wearing sunglasses visiting the shop that same day. What type of relationship is most likely to exist between these two variables? positive correlation and causal relationship negative correlation and causal relationship positive correlation but not causal relationship negative correlation but not causal relationship
The more hours per week that full-time college students tend to work, the lower their GPA tends to be. What type of correlation exists between hours worked and GPA? is it A or B? A. positive B. Negative
Identify the true statements about the correlation coefficient, ?r. The sign of ?r describes the direction of the association between two variables. When the data points in a scatter plot fall closely around a straight line that is either increasing or decreasing, the correlation between the two variables is strong. If two variables are negatively correlated, when one variable increases, the other variable also increases. A correlation coefficient of zero means that no relationship exists between the two variables. The correlation coefficient is not affected by outliers. The value of ?r ranges from negative one to positive one.
2. A study was conducted to determine the relationship between a person's monthly income in Omani Rials and the number of meals that person eats away from home per month. The data are shown below. Income x 60 50 70 40 80 90 80 100 30 Meals y 8. 12 16 10 9. 3 10 7 Compute coefficient of correlation and comment on the value of correlation.
Use the data values in the table below to calculate the correlation between the variables x and y. Submit the link through Canvas to either a photo of your work on paper or a link to a google sheet. y 5 2.86 4.48 7 3 8. 3.92 3.34 10 0.96 11 2.38 12 2.8 Give your answer to three decimal places. Submit Question 6.
sub-part 3. please help me with the rest. thanks
A factory sorts out the number of beverage vending machines (x) and the number of beverage cans sold (y) on each floor, as shown in the table below, and try to find the correlation coefficient.

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Shown below is a scatterplot of Y versus X. -10 -20 -30 -40 -50 5 10 15 20 25 Which choice is most likely to be the correlation coefficient between X and Y?