Homework Answers
Formulas used:-
Proportion K223=J223/$J$229
cumulative proportion L224 =K223+K224
Proportion of students before 2013 =0.5897
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Question 6 1 pts The following data is represents the number of students making a grade...
The registrar at a local college has recorded the number of students who have dropped a...
The registrar at a local college has recorded the number of students who have dropped a statistics class for each trimester. The length of one trimester is four months. The given data show the number of students who dropped the class over the last three years Class Year Semester Dropped Class Year Semester Dropped 1 2010 Spring 5 2 2010 Summer 3 3 2010 Fall 4 2011 Spring 5 5 2011 Summer 4 2011 Fall 2012 Spring 6 2012 Summer...
1. The following data represents the number of days absent and the final grade for a...
1. The following data represents the number of days absent and the final grade for a sample of college students in a general education course at a large state university. No. of absences 0 1 2 3 4 5 6 7 8 9 Final Grade 89.2 86.4 83.5 81.1 78.2 73.9 64.3 71.8 65.5 66.2 a) Which variable is the explanatory variable? b) Draw a scatter plot and describe your scatter plot (Direction, Strength, Form). c) Compute the correlation coefficient....
The data in the table is the number of absences for students and their corresponding grade....
The data in the table is the number of absences for students and their corresponding grade. ces 1 3.7 1 3.1 2 2.2 5 2.1 6 2 7 1.7 8 1.7 Grade Table Copy Data Step 1 of 5: Calculate the sum of squared errors (SSE). Use the values bo three decimal places 3.3167 and b = -0.2239 for the calculations. Round your answer to Answer How to Enter 2 Points Tables Keypad Lewis Learning The data in the table...
The following data represents the number of days absent and the final grade for a sample...
The following data represents the number of days absent and the final grade for a sample of college students in a general education course at a large state university. 0 1 2 3 4 5 6 7 8 9 No. of absences Final Grade 89.2 86.4 83.5 81.1 78.2 73.9 64.3 71.8 65.5 66.2 a) Which variable is the explanatory variable? b) Draw a scatter plot and describe your scatter plot (Direction, Strength, Form). c) Compute the correlation coefficient d)...
Using the data in the table below, calculate the CPI and the inflation rate in each...
Using the data in the table below, calculate the CPI and the inflation rate in each year, using 2010 as a base year. Instructions: Round your answers to one decimal place. Year Cost of basket () 2010 2011 2012 2013 2014 2015 CPI Inflation rate 20,000 21,600 22,800 26,150 28,845 32,500
Using the data in the table below, calculate the CPI and the inflation rate in each...
Using the data in the table below, calculate the CPI and the inflation rate in each year, using 2010 as a base year. Instructions: Round your answers to one decimal place. CPI Inflation rate Year 2010 2011 2012 2013 cost of basket ($) 18,000 21,500 22,500 26,150 28,850 32,500 2014 2015
The following table reports on GDP and government budget surplus or deficit for France (measured in...
The following table reports on GDP and government budget surplus or deficit for France (measured in dollars). a) For each year, calculate the surplus or deficit as a percentage of GDP. Instructions: Enter your responses rounded to two decimal places in the table below. If you are entering a negative number, use a negative (-) sign where appropriate. Fiscal Year GDP (Billions of dollars) Surplus or Deficit (−) (Billions of dollars) Surplus or Deficit as percentage of GDP 2006 2,160...
Thus Question: 6 pts 2 of 30 (1 complete) This Qu The data below represent the...
Thus Question: 6 pts 2 of 30 (1 complete) This Qu The data below represent the number of days absent, x, and the final grade, y, for a sample of college students at a large university Complete pe below. No. of absences, * 0 1 2 3 4 5 6 7 8 9 Final grade, y 88.1 852 822 796 76.6 72.1 62.5 66.9 63.9 60.9 (a) Find the least squares regression line treating the number of absences, x, as...
The following table indicates the number of students enrolled in the beginning biology class, and of...
The following table indicates the number of students enrolled in the beginning biology class, and of those, the number who receive a grade of D, F, or W. The department chairperson wants to advise the an of how many students are expected to receive DFW grades of 2019's anticipated enrollment of 530 students. The chairperson chooses to evaluate an exponential smoothing forecast (a 0.25) with a 3- period weighted moving average (0.45, 0.35, 0.2). All forecasts should be reported to...
2) Student Population Data From Western Carolina University Number Year Enrolled 1 2006 8,860 2...
2) Student Population Data From Western Carolina University Number Year Enrolled 1 2006 8,860 2 2007 9,056 3 2008 9,050 4 2009 9,429 5 2010 9,407 6 2011 9,352 7 2012 9,608 8 2013 10,107 9 2014 10,382 10 2015 10,340 11 2016 10,805 12 2017 11,034 13 2018 11,639 3) What is the correlation between year and student population? 4) What is the regression model for...
The registrar at a local college has recorded the number of students who have dropped a statistics class for each trimester. The length of one trimester is four months. The given data show the number of students who dropped the class over the last three years Class Year Semester Dropped Class Year Semester Dropped 1 2010 Spring 5 2 2010 Summer 3 3 2010 Fall 4 2011 Spring 5 5 2011 Summer 4 2011 Fall 2012 Spring 6 2012 Summer...
The data in the table is the number of absences for students and their corresponding grade. ces 1 3.7 1 3.1 2 2.2 5 2.1 6 2 7 1.7 8 1.7 Grade Table Copy Data Step 1 of 5: Calculate the sum of squared errors (SSE). Use the values bo three decimal places 3.3167 and b = -0.2239 for the calculations. Round your answer to Answer How to Enter 2 Points Tables Keypad Lewis Learning The data in the table...
The following data represents the number of days absent and the final grade for a sample of college students in a general education course at a large state university. 0 1 2 3 4 5 6 7 8 9 No. of absences Final Grade 89.2 86.4 83.5 81.1 78.2 73.9 64.3 71.8 65.5 66.2 a) Which variable is the explanatory variable? b) Draw a scatter plot and describe your scatter plot (Direction, Strength, Form). c) Compute the correlation coefficient d)...
Using the data in the table below, calculate the CPI and the inflation rate in each year, using 2010 as a base year. Instructions: Round your answers to one decimal place. Year Cost of basket () 2010 2011 2012 2013 2014 2015 CPI Inflation rate 20,000 21,600 22,800 26,150 28,845 32,500
Using the data in the table below, calculate the CPI and the inflation rate in each year, using 2010 as a base year. Instructions: Round your answers to one decimal place. CPI Inflation rate Year 2010 2011 2012 2013 cost of basket ($) 18,000 21,500 22,500 26,150 28,850 32,500 2014 2015
Thus Question: 6 pts 2 of 30 (1 complete) This Qu The data below represent the number of days absent, x, and the final grade, y, for a sample of college students at a large university Complete pe below. No. of absences, * 0 1 2 3 4 5 6 7 8 9 Final grade, y 88.1 852 822 796 76.6 72.1 62.5 66.9 63.9 60.9 (a) Find the least squares regression line treating the number of absences, x, as...
The following table indicates the number of students enrolled in the beginning biology class, and of those, the number who receive a grade of D, F, or W. The department chairperson wants to advise the an of how many students are expected to receive DFW grades of 2019's anticipated enrollment of 530 students. The chairperson chooses to evaluate an exponential smoothing forecast (a 0.25) with a 3- period weighted moving average (0.45, 0.35, 0.2). All forecasts should be reported to...
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