Listed below are amounts of court income and salaries paid to the town justices. All amounts are in thousands of dollars. Construct a scatterplot, find the value of the linear correlation coefficient r,and find the P-value using a = 0.05. Is there sufficient evidence to conclude that there is a linear correlation between court incomes and justice salaries? Based on the results, does it appear thatjustices might profit by levying larger fines?Court Income65.0 402.0 1568.0 1132.0 273.0 254.0 112.0 155.0 30.0Justice Salary 30 44 93 58 47 61 26 27 17What are the null and alternative hypotheses?OA. Ho: p=0H₁: p>0OC. Ho: p=0H₁: p<0Construct a scatterplot. Choose the correct graph below.O A.SOB.A Justice Salary100-50-01600800Court IncomeThe linear correlation coefficient is r =(Round to three decimal places as needed.)The test statistic is t =(Round to three decimal places as needed.)100-50-0-Justice Salary0●1800 1600Court IncomeQOB. Ho:p #0H₁: p=0O D. Ho: p=0H₁: p#0O C.A Justice Salary100-50-0S800 1600Court IncomeO D.AJustice Salary100-50-0-0●1600800Court Income

Court IncomeJustice salary653040244156893113258273472546111226155273017Significance level

Answered: Listed below are amounts of court…

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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The population (in millions) and the violent crime rate (per 1000) were recorded for 10 metropolitan areas. The data are shown in the following table. Do these data provide evidence to reject the null hypothesis that ? = 0 in favor of ? ≠ 0 at ? = .05? (Give your answers correct to three decimal places.) Population 10.4 2 3.4 6 6.2 1.2 2.7 3.1 0.8 5 Crime Rate 12.6 8.9 7.5 8.9 7.8 9.3 8 7.4 8.6 9.3 (a) Calculate r. _______(ii) Calculate the critical region._____ (smaller value) ______(larger value)(b) State the appropriate conclusion. Reject the null hypothesis, there is not significant evidence that ? ≠ 0.Reject the null hypothesis, there is significant evidence that ? ≠ 0. Fail to reject the null hypothesis, there is not significant evidence that ? ≠ 0.Fail to reject the null hypothesis, there is significant evidence that ? ≠ 0.
Statistics Question
Complete the statement. When all points fall on the regression line, the value of the correlation coefficient is...
A) Find the correlation coefficient , rounded to the nearest 10th. B) What percent of the variability in static weight can be explained by the linear model? Round to the nearest 10th. C) Using the predictive model suggested, what would the static weight of a truck be if its weight in motion was 28,000 pounds?
Don't answer if you already answered this. If i see the same solutions, i'll downvote you. Follow the instructions. Typewritten for upvote. No upvote for handwritten. Thank you
Q9 The explanatory variable in linear correlation/regression model is recorded on which of thesemeasurement scales: A. categorical B. ordinal C. quantitative D. none of the above
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A2. A study of test results at different schools shows that as the student-to-teacher ratio increases the average test result tends to decrease, although the relationship is quite weak. Which of the following is plausible value for the correlation between student-to- teacher ratio and average test results? A -0.9 B -0.3 C -0.01 D 0.3 E 0.9
Tinder and Online Dating: Everything Up to the Pearson Correlation Coefficient Which statistical test could be used to determine if there was a relation between the two variables-degrees of narcissism and quality of jawline? Pearson Correlation Coefficient In which four categories does this situation fall? a. one scale nominal b. nominal independent variables, scale dependent variable c. only nominal variables d. any ordinal variables (that cannot be treated as nominal)
A study wants to see if a program aimed at increasing reading accuracy works for elementary school students. They have a group of 20 participants. All 20 get measured at the beginning of the study, and measured again at the completion of the reading program. This is an example of a: Within subjects study Between subjects study A correlation study A mixed design study The main difference between an ANOVA and a t-test is: Group of answer choices An ANOVA can look at more than 2, and t-test looks at only 2 means at a time An ANOVA looks at only 2 means at a time, and t-test can look at more than 2 A t-test can have nominal dependent variables An ANOVA can have a nominal dependent variable
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