**Title: Analyzing the Relationship Between Study Hours and Test Scores****Description:**This exercise involves finding the equation of the regression line for the given data. You will construct a scatter plot and draw the regression line to explore the significant correlation between variables. The aim is to predict the test scores based on hours spent studying.**Data Table: Hours vs. Test Scores**| Hours spent studying, x | Test score, y ||-------------------------|---------------|| 2 | 38 || 2.5 | 44 || 3 | 50 || 5 | 47 || 5 | 61 || 6 | 68 |**Tasks:**1. **Find the regression equation**: - Regression equation: $ \hat{y} = 6.269x + 32.48 $ - The slope (rounded to three decimal places) is 6.269. - The y-intercept (rounded to two decimal places) is 32.48.2. **Choose the correct graph**: - Four graph options (A, B, C, D) are provided to visualize the data and regression line.**Graph Analysis:**- The graphs display test scores vs. hours spent studying.- A correct graph would show a scatter plot aligning with the calculated regression line, demonstrating the positive correlation between study time and scores.Users are instructed to select the graph that correctly represents the data and regression analysis. **Predictive Use:**Use this regression equation to predict test scores for different study durations:- (a) $x = 2$ hours- (b) $x = 2.5$ hours- (c) $x = 12$ hours- (d) $x = 4.5$ hours**Instructions:**Click to select your answer(s) based on the correct graphical representation of the regression analysis.

Enter the given data in Excel Steps to do regression in excel as shown below Go to data -> data…

EQuestion Help Find the equation of the tregression line for the given data. Then construct a scatter plot of the data and draw the regression line. (The pair of variables have a significant correlation) Then use the regression equation to predict the value of y for each of the given x-values, if meaningful. The number of hours 6 students spent for a test and their scores on that test are shown below. Hours spent studying, x Test score, y 3 47 (b) x = 25 hours (a) x= 2 hours (c) x= 12 hours 38 44 50 61 68 (d) x = 4 5 hours Find the regression equation. y = 6.269 x + (32.48 (Round the slope to three decimal places as needed. Round the y-intercept to two decimal places as needed.) %3D Choose the correct graph below. OD. O A. OB. OB. Oc. 0- 80 80- Q Hours studying Hours studying Hours studying Hours studying 1012 (R.) Click to select your answer(s).

EQuestion Help Find the equation of the tregression line for the given data. Then construct a scatter plot of the data and draw the regression line. (The pair of variables have a significant correlation) Then use the regression equation to predict the value of y for each of the given x-values, if meaningful. The number of hours 6 students spent for a test and their scores on that test are shown below. Hours spent studying, x Test score, y 3 47 (b) x = 25 hours (a) x= 2 hours (c) x= 12 hours 38 44 50 61 68 (d) x = 4 5 hours Find the regression equation. y = 6.269 x + (32.48 (Round the slope to three decimal places as needed. Round the y-intercept to two decimal places as needed.) %3D Choose the correct graph below. OD. O A. OB. OB. Oc. 0- 80 80- Q Hours studying Hours studying Hours studying Hours studying 1012 (R.) Click to select your answer(s).

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

How will you answer this question ? Thank you.
Please solve
The data show the chest size and weight of several bears. Find the regression equation, letting chest size be the independent (x) variable. Then find the best predicted weight of a bear with a chest size of 40inches. Is the result close to the actual weight of 352pounds? Use a significance level of 0.05.a. Chest size (inches) 41 54 44 55 39 51 Weight (pounds) 328 528 418 580 296 503 a.What is the regression equation? b. The best predicted weight for a bear with a chest size of 39 inches is _______pounds.
You generate a scatter plot using Excel. You then have Excel plot the trend line and report the equation and the r value. The regression equation is reported as y = 75.56z + 78.71 and the r = 0.2209. What is the correlation coefficient for this data set?
Find the equation of the regression line for the given data. Then construct a scatter plot of the data and draw the regression line. (The pair of variables have a significant correlation.) Then use the regression equation to predict the value of y for each of the given x-values, if meaningful. The number of hours 6 students spent for a test and their scores on that test are shown below. Hours spent studying, x 0 Test score, y 38 Find the regression equation. 2 3 3 4 6 45 50 49 61 68 0 (a) x = 2 hours (c) x = 15 hours (b)x=4.5 hours (d) x=2.5 hours y = X + (Round the slope to three decimal places as needed. Round the y-intercept to two decimal places as needed.)
Find the equation of the regression line for the given data. Then construct a scatter plot of the data and draw the regression line. (The pair of variables have a significant correlation.) Then use the regression equation to predict the value of y for each of the given x-values, if meaningful. The number of hours 6 students spent for a test and their scores on that test are shown below. Hours spent studying, x D Test score, y Test score 80- 0- E Hours studying Q 0 39 Find the regression equation. ŷ=x+ X (Round the slope to three decimal places as needed. Round the y-intercept to two decimal places as needed.) Choose the correct graph below. OA. G 2 44 OB. 3 50 Test score 80- #R 0 3 48 Hours studying (a) Predict the value of y for x=2. Choose the correct answer below. OA. 49.8 OB. 47.0 OC. 55.5 OD. not meaningful (b) Predict the value of y for x=3.5 Choose the correct answer below. 4 65 Q 6 70 wwx O C. Test score 80+ (a) x=2 hours (c) x = 15 hours 8 Hours studying Q Q O D. 80- (b)x= 3.5…
Find the equation of the regression line for the given data. Then construct a scatter plot of the data and draw the regression line. The table shows the shoe size and heights (in.) for 6 men. Shoe size, x Height, y 7.5 8.5 9.5 12.0 13.0 13.5 65.0 67.0 72.0 74.0 74.0 72.0 Find the regression equation. シー+D (Round to three decimal places as needed.) Choose the correct graph below. OA. В. C. OD. 75- 75- 65- 65- 65-4 65 He 14 14 14 Shoe size Shoe size Shoe size Shoe size Height (in.) O 回 Height (in.) Height (in.) O 包 Height (in.)
The data show the bug chirps per minute at different temperatures. Find the regression equation, letting the first variable be the independent (x) variable. Find the best predicted temperature for a time when a bug is chirping at the rate of 3000 chirps per minute. Use a significance level of 0.05. What is wrong with this predicted value? Chirps in 1 min 769 828 993 1126 937 824 D Temperature (°F) 68.8 67.5 81.9 87.1 78,3 75.6 What is the regression equation? =ロ·ロ× (Round the x-coefficient to four decimal places as needed. Round the constant to two decimal places as needed.) Help me solve this View an example Get more help - Clear all Check answer 4:51 PM 66°F 全x D 4/15/2022 Sunny
Find the regression line (even if there isn't correlation in the population) Write the meaning of the slope of the regression line: Find the best predicted score a wife would have, if her husband scored 50:
You generate a scatter plot using Excel. You then have Excel plot the trend line and report the equation and the rí value. The regression equation is reported as y = - 38.57x + 35.79 and the r2 = 0.4096. What is the correlation coefficient for this data set? r =
What is the dollar amount of change in sales for each new year according to the regression (slope) model? Do not use commas or $ in your answer.
Use the given data set to answer parts (a) and (b). a. Find the regression equation for the data points. b. Graph the regression equation and the data points. a. Find the regression equation for the data points. G (Use integers or decimals for any numbers in the expression. Round to two decimal places as needed.) X 5 y - 1 4 1 1 -1 3 2 2 4 Q