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Using the ROI data set: For each of the 2 majors test the hypothesis at the 5% significance level: The mean ‘Cost’ for a college is $160,000. Be sure to interpret your results. For Business versus Engineering majors conduct a two sample test of the hypothesis at the 10% significance level (assume the variances are not equal): The average ’30-Year ROI’ for Business majors is less than for Engineering Majors.  Be sure to interpret your results.

Using the ROI data set: For each of the 2 majors test the hypothesis at the 5% significance level: The mean ‘Cost’ for a college is $160,000. Be sure to interpret your results. For Business versus Engineering majors conduct a two sample test of the hypothesis at the 10% significance level (assume the variances are not equal): The average ’30-Year ROI’ for Business majors is less than for Engineering Majors.  Be sure to interpret your results.

MATLAB: An Introduction with Applications
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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Using the ROI data set:

  • For each of the 2 majors test the hypothesis at the 5% significance level:
  • The mean ‘Cost’ for a college is $160,000. Be sure to interpret your results.
  • For Business versus Engineering majors conduct a two sample test of the hypothesis at the 10% significance level (assume the variances are not equal):
  • The average ’30-Year ROI’ for Business majors is less than for Engineering Majors.  Be sure to interpret your results.
ll TEW 3:25 AM ROI EXCEL copy fx A C 1 School Type Cost 30 Year ROI Annual ROI $222,700.00 $176,400.00 $1,786,000.00 $1,758,000.00 2 Private 7.70% Private 8.40% 4 Private $212,200.00 $1,714,000.00 7.80% $1,535,000.00 $1,529,000.00 $1,501,000.00 $1,485 $1,483,000.00 $1,444,000.00 $1,442,000.00 5 Public $125,100.00 9.10% 6. Private $212,700.00 7.40% 7 Public $92,910.00 10.10% $214,900.00 $217,800.00 Private 0.00 7.30% 9. Private 7.20% 10 Private $225,600.00 7.00% 11 Private $217,300.00 7.10% 12 Private $226,500.00 $1,441,000.00 7.00% 13 Private $215,500.00 $1,438,000.00 7.20% $1,428,000.00 $1,414,000.00 14 Private $223,500.00 7.00% 15 Private $226,600.00 7.00% 16 Private $189,300.00 $1,397,000.00 7.50% $1,382,000.00 $89,700.00 $87,030.00 17 Public 9.90% 18 Public $1,376,000.00 10.00% 19 Private $218,200.00 $1,343,000.00 6.90% 20 Private $229,900.00 $1,339,000.00 6.70% 21 Private $148,800.00 $1,321,000.00 8.10% 22 Best College ROI by Majo 2013: Payscale.com 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 •.. >
Transcribed Image Text:ll TEW 3:25 AM ROI EXCEL copy fx A C 1 School Type Cost 30 Year ROI Annual ROI $222,700.00 $176,400.00 $1,786,000.00 $1,758,000.00 2 Private 7.70% Private 8.40% 4 Private $212,200.00 $1,714,000.00 7.80% $1,535,000.00 $1,529,000.00 $1,501,000.00 $1,485 $1,483,000.00 $1,444,000.00 $1,442,000.00 5 Public $125,100.00 9.10% 6. Private $212,700.00 7.40% 7 Public $92,910.00 10.10% $214,900.00 $217,800.00 Private 0.00 7.30% 9. Private 7.20% 10 Private $225,600.00 7.00% 11 Private $217,300.00 7.10% 12 Private $226,500.00 $1,441,000.00 7.00% 13 Private $215,500.00 $1,438,000.00 7.20% $1,428,000.00 $1,414,000.00 14 Private $223,500.00 7.00% 15 Private $226,600.00 7.00% 16 Private $189,300.00 $1,397,000.00 7.50% $1,382,000.00 $89,700.00 $87,030.00 17 Public 9.90% 18 Public $1,376,000.00 10.00% 19 Private $218,200.00 $1,343,000.00 6.90% 20 Private $229,900.00 $1,339,000.00 6.70% 21 Private $148,800.00 $1,321,000.00 8.10% 22 Best College ROI by Majo 2013: Payscale.com 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 •.. >
ll TEW 3:26 AM ROI EXCEL copy fx A В C E F 1 School Type Cost 30 Year ROI Annual ROI 2 Private $221,700.00 $2,412,000.00 8.70% $213,000.00 $2,064,000.00 $230,100.00 $1,949,000.00 3 Private 8.30% 4 Private 7.90% Private $222,600.00 $1,947,000.00 8.00% Private $225,800.00 $1,938,000.00 8.00% 7 Public $87,660.00 $1,937,000.00 11.20% 8 Private $224,900.00 $1,915,000.00 7.90% 9. Private $221,600.00 $1,878,000.00 7.90% 10 Public $125,100.00 $1,854,000.00 9.80% 11 Private $215,700.00 $1,794,000.00 7.90% $92,530.00 $1,761,000.00 $217,800.00 $1,752,000.00 $89,700.00 $1,727,000.00 $229,600.00 $1,716,000.00 12 Public 10.60% 13 Private 7.70% 14 Public 10.70% 15 Private 7.50% 16 Public $101,500.00 $1,703,000.00 10.20% 17 Public $115,500.00 $1,694,000.00 9.70% 18 Public $104,500.00 $1,690,000.00 10.10% $69,980.00 $1,685,000.00 $219,400.00 $1,676,000.00 $64,930.00 $1,668,000.00 19 Public 11.50% 20 Private 7.60% 21 Public 11.70% 22 23 24 25 26 27 28 29 30 31 32 33 Business Major Engineering Major >
Transcribed Image Text:ll TEW 3:26 AM ROI EXCEL copy fx A В C E F 1 School Type Cost 30 Year ROI Annual ROI 2 Private $221,700.00 $2,412,000.00 8.70% $213,000.00 $2,064,000.00 $230,100.00 $1,949,000.00 3 Private 8.30% 4 Private 7.90% Private $222,600.00 $1,947,000.00 8.00% Private $225,800.00 $1,938,000.00 8.00% 7 Public $87,660.00 $1,937,000.00 11.20% 8 Private $224,900.00 $1,915,000.00 7.90% 9. Private $221,600.00 $1,878,000.00 7.90% 10 Public $125,100.00 $1,854,000.00 9.80% 11 Private $215,700.00 $1,794,000.00 7.90% $92,530.00 $1,761,000.00 $217,800.00 $1,752,000.00 $89,700.00 $1,727,000.00 $229,600.00 $1,716,000.00 12 Public 10.60% 13 Private 7.70% 14 Public 10.70% 15 Private 7.50% 16 Public $101,500.00 $1,703,000.00 10.20% 17 Public $115,500.00 $1,694,000.00 9.70% 18 Public $104,500.00 $1,690,000.00 10.10% $69,980.00 $1,685,000.00 $219,400.00 $1,676,000.00 $64,930.00 $1,668,000.00 19 Public 11.50% 20 Private 7.60% 21 Public 11.70% 22 23 24 25 26 27 28 29 30 31 32 33 Business Major Engineering Major >
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