QuestionDetermine the quadratic regression for the data set below.(2, 762), (5, 939), (7, 1177), (10, 1714), (12, 2192), (15, 3089)Select the correct answer below:O -12x – 25x – 764O 12x? + 25.x + 764O 12x2 – 25x – 764O 12x2 – 25x + 764O EEEDRACKMORE INSTRUCTIONSURMIT

Answered: Question Determine the quadratic…

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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Waiting times (in minutes) of customers at a bank where all customers enter a single waiting line and a bank where customers wait in individual lines at three different teller windows are listed below. Find the coefficient of variation for each of the two sets of data, then compare the variation. Bank A (single line): 6.4 6.7 6.7 6.8 7.1 7.3 7.3 7.6 7.7 7.7 o 4.3 5.3 5.9 6.3 6.7 7.6 7.8 8.5 9.3 9.8 Bank B (individual lines): The coefficient of variation for the waiting times at Bank A is %. (Round to one decimal place as needed.) The coefficient of variation for the waiting times at the Bank B is %. (Round to one decimal place as needed.) Is there a difference in variation between the two data sets? O A. There is no significant difference in the variations. O B. The waiting times at Bank B have considerably less variation than the waiting times at Bank A. O C. The waiting times at Bank A have considerably less variation than the waiting times at Bank B. Ans
Linear Regression Application, Interpolation and Extrapolation Use the data and story to answer the following questions The table below shows the number of state-registered automatic weapons and the murder rate for several Northwestern states. X 11.4 8.2 y 13.9 6.6 3.6 2.4 2.3 2.3 0.4 11 9.3 6.8 6.3 5.9 6.3 4.3 = thousands of automatic weapons y = murders per 100,000 residents Use your calculator to determine the equation of the regression line. (Round to 2 decimal places) Determine the regression equation in y = ax + b form and write it below. Answer = A) How many murders per 100,000 residents can be expected in a state with 4 thousand automatic weapons? Answer = Round to 3 decimal places. B) How many murders per 100,000 residents can be expected in a state with 11 thousand automatic weapons? Round to 3 decimal places.
Linear Regression Application, Interpolation and Extrapolation Use the data and story to answer the following questions The table below shows the number of state-registered automatic weapons and the murder rate for several Northwestern states. x 11.3 8.5 6.8 3.5 2.4 2.4 2.4 0.3 y 13.8 11.6 9.7 6.9 6.1 6.1 6 4.1 x = thousands of automatic weapons y = murders per 100,000 residents Use your calculator to determine the equation of the regression line. (Round to 2 decimal places) Determine the regression equation in y = ax + b form and write it below. A) How many murders per 100,000 residents can be expected in a state with 8.3 thousand automatic weapons? Answer = Round to 3 decimal places. B) How many murders per 100,000 residents can be expected in a state with 5.3 thousand automatic weapons? Answer= Round to 3 decimal places.
Statistics - Regression Analysis
P4. The least squared method called also the least squared regression method is one of the most commonly used methods in applications . Describe the importance of this method in modeling data. Provide an illustrative example for given data and interpret your results. Using your example illustrate the importance of the results.
q3: looking for assistance
C) if a country increases its life expectancy, the happiness index will increase or decrease d) if the life expectancy is increased by 4.5 years in a certain country .how much will the happiness index change? Round two decimal places e) use the regression line to predict that happiness index of a country with a life expectancy of 89 years . Round to two decimal places use the space below to type your answers
Question in statistics: Topic regression: For 100 students of a class, the regression equation of marks in Statistics (X) on the marks in Commerce (Y) is 3Y 5X + 180 = 0. The mean marks in %3D Commerce is 50 and variance of marks in Statistics is 4/9th of the variance of marks in Commerce. Find the mean marks in Statistics and the coefficient of correlation between marks in the two subjects.
QUESTION A highway with four lanes in each direction was studied to see whether drivers preferred to drive in the outside lanes. A total of 1000 cars were observed during the heavy morning traffic, and their respective lanes were recorded. The results are shown in the table below. Lane 3. 4 Count 294 276 238 192 3.1 How would you describe the variable(s) in the table above? 3.2 Do the data present sufficient evidence to indicate that some lanes are preferred over others? Give bounds for the associated p-value 2. 3.
50
Gramer's
Answer 3

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Question Determine the quadratic regression for the data set below. (2, 762), (5, 939), (7, 1177), (10, 1714), (12, 2192), (15, 3089)