Name Course and Year 1. Solve the following by Pearson r and test the significant correlation at 5% tabular value. Interpret the results. X 12 14 10 12 14 12 11 Y. 59 60 34 55 77 80 50

Q: Let x be the average number of employees in a group health insurance plan, and let y be the average…

A: a) From the provided information, The scatterplot for the variables can be constructed as follow:…

Q: With steps and explanation

A: ###(a) Equation of the line of best fit :### Step 1: Calculate the means of x and yGiven…

Q: You generate a scatter plot using Excel. You then have Excel plot the trend line and report the…

A: From the above information,  the coefficient of determination is r2= 0.7396

Q: Calculate the correlation coefficient, r of the following data: Variable X 24 Variable Y 44 13 8 81…

A: We have given that,  X:- 24, 13, 8, 81, 63, 36, 5 Y:- 44, 52, 42, 5, 1, 48, 15 Then,  We will find…

Q: 2. The calculated correlations for the following scatterplots are r = -0.861, r = 0.681, and r =…

A: Correlation

Q: Exercise 6E a 1 For each set of data: Plot the points on a scatter diagram. ii Describe the type of…

A: Note: Hey, since there are multiple questions posted, as per guidelines we will answer first…

Q: Suppose that the correlation between the scores of students on Exam 1 and Exam 2 in a statistics…

A: We have given that  Correlation=r=0.7 Find coefficient of determination

Q: Which of the following correlations reflects this relationship?

A: There are two variables Money to provide after-school activities Chance for the student to get…

Q: n between height and weight for a sample of 25 adults is r = +.40. What percent of the variability…

A: The coefficient of determination R2 determines the percentage of the changes in the dependent…

Q: ... Calculate the correlation. (Round to three decimal places as needed.) r=

A:

Q: The given data represent the total compensation for 10 randomiy selected CEOS and their company's…

A: Given data, X Y X*Y X*X 26.83 6.29 168.7607 719.8489 12.51 30.85 385.9335 156.5001 19.73…

Q: Find the correlation coefficient for the data set below. xy 13 22 34 4 6 5 1 6 5 7 Answer: 7

A: Given data is x y 1 3 2 2 3 4 4 6 5 1 6 5 7 7

Q: A significant correlation indicates a meaningful relationship.

A: A significant correlation always indicate a meaningful relationship.

Q: Here are the heights of a young girl at several ages, from a pediatrician's records: Age in months…

A: Let X be the Age in months Let Y be the Height in centimeters Age Height 36 86 51 91 60 95

Q: a. Find the correlation of Flights with Year. The correlation is (Round to three decimal places as…

A: Given: Year, X Flights, Y 2000 7787173 2001 7453495 2002 8216250 2003 9614714 2004…

Q: SHORT ANSWER. Show all your work in detail to re Provide an appropriate response. 1) The data below…

A: We have given that,  The data set are :- X :- 47, 35, 21, 27, 39, 48, 61, 65, 70 Y:- 34, 169, 248,…

Q: See image. Is there evidence of correlation in the population? no yes What is the value of a in y…

A: The question is about correlation Given : To find : 1 ) Testing of correlation 2 ) value of a 3 )…

Q: For the data below, draw a scatter plot on each graph provided. Then use your graphing calculator to…

A: Strength of relationship between variables using correlation: If the value of correlation is…

Q: Part d: Compute the least squares regression equation. Show your work. Parte: If appropriate, use a…

A: The given data is    Knowledge Score Calcium Intake xy x2 y2   38 9.4 357.2 1444 88.36   25…

Q: What is the relationship between the amount of time statistics students study per week and their…

A: After entering the given data into EXCEL, Go to Data > Data analysis > Select Correlation.…

Q: You generate a scatter plot. You then have the plot with the trend line and report the equation and…

A: r2 =0.0196

Q: You generate a scatter plot using Excel. You then have Excel plot the trend line and report the…

A: Given,   The regression equation is,   y=-69.87x+54.78   And the r2=0.3721   The objective is to…

Q: Prepare a scatter diagram for the following data set, and discuss the apparent relationship between…

A: We make a scatter plot using the given data.

Q: In most parts of the world, people typically measure their height in terms of centimeters instead of…

A: The correlation between diet and height of Japan and China is calculated, but height is considered…

Q: You generate a scatter plot using Excel. You then have Excel plot the trend line and report the…

A: Given data, y=27.84-74.89x r2=0.2209 Correlation coefficient (r)=?

Q: Use the Line of Best Fit to predict the dollars carned for 10 hours of work. Favig Wakt 72 $72 2 3…

A: We have to find correct option.

Q: You generate a scatter plot using Excel. You then have Excel plot the trend line and report the…

A:

Q: Illustration 15.24. A correlation coefficient of 0.5 does not mean that 50% of the variauce is…

A:

Q: y 2 0 02 4 6 8 x Tell whether the data have a positive correlation, a negative correlation, or…

A:

Q: You generate a scatter plot using Excel. You then have Excel plot the trend line and report the…

A: Solution-: Given: The regression equation is reported as Y^=-61.46*X+41.55 and r2=0.16 We find…

Q: Use the value of the linear correlation coefficient r to find the coefficient of determination and…

A: From the provided information, Correlation coefficient (r) = 0.853

Q: What is the relationship between the number of minutes per day a woman spends talking on the phone…

A: The independent variable is Time. The dependent variable is Pounds. We have to find the prediction…

Q: Determine whether the data represents a correlation with causation or a correlation without…

A: Correlation is the degree of association between 2 variables X and Y. Two variables are correlated…

Q: B. Simple Correlation The monthly income of a person (y) is related to the age of the person(x).…

A: Correlation Coefficient is denoted by 'r' and it measures the linear relationship between two…

Q: Need help with part d only? The slope and average is?

A: In the regression equation Predicted Cost = -4.92 + (1.58) Weight, the dependent variable is…

Q: 5. A University Professor would like to determine if there is a strong relationship between the…

A: In this case, the hours studied is defined as x and the exam score is defined as y.

Q: Solve for the slope, y-intercept, equation of the trend line, the correlation coefficient, and the…

A: We let x be equal to "Age" and y be equal to "Average Height".First, we compute the columns xy, x2,…

Q: A biologist looked at the relationship between number of seeds a plant produces and the percent of…

A: Seed produced (X) Sprout percent (Y) X2 Y2 XY 66 48 4356 2304 3168 47 74.5 2209 5550.25 3501.5…

Q: A professor went to a website for rating professors and looked up the quality rating and also the…

A: The linear correlation coefficient (ρ) is a measure of strength of the linear relationship between…