Existing data (year: 1995)(Observed values)Accident Age group of driversSeverity18-30 30-50Fatal2722Grievous 2715injuredMinor826050+404497120Total8986262injuryTotal136204 437Source: Office of the Dy. Commissioner of Police (Tra What proportion of drivers suffered minor injuries?0.4670.2220.3110.1970.6000.204

Answered: Accident Severity Existing data (year:…

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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Data was collected for 300 fish from the North Atlantic. The length of the fish (in mm) is summarized in the GFDT below. Lengths (mm) Frequency 80 - 84 1 85 - 89 16 90 - 94 71 95 - 99 108 100 - 104 83 105 - 109 18 110 - 114 3 What is the lower class limit for the fourth class?lower class limit =
The accompanying data table includes the engine size (in liters) and horsepower (HP) of 20 types of cars sold last year. Engine_Size Horsepower 3.6 246 6.2 501 6.0 435 3.4 262 3.0 258 3.5 243 3.8 321 4.0 309 4.2 362 1.4 142 1.5 124 3.6 308 1.6 155 1.8 167 5.3 422 2.0 157 2.3 185 2.4 227 2.5 183 2.8 259 (b) Estimate the linear equation using least squares. Interpret the fitted intercept and slope. Be sure to include their units. Note if either…
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Data was collected for 300 fish from the North Atlantic. The length of the fish (in mm) is summarized in the GFDT below. Lengths (mm) Frequency 180 - 199 1 200 - 219 16 220 - 239 71 240 - 259 108 260 - 279 83 280 - 299 18 300 - 319 3 What is the class midpoint for the fourth class?class midpoint =
A bike sharing program recorded meteorological factors as part of efforts to understand factors related to bike usage on Sundays. The bike usage and the average temperature (Temp below, in degrees Celsius) on 12 consecutive Sundays is provided below. Usage Temp 2586 6.2 2886 5.3 3850 10.3 7.2 9.8 9.3 17.6 14.7 15.4 3352 3842 3665 4592 4409 4562 <
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Eyeglassomatic manufactures eyeglasses for different retailers. They test to see how many defective lenses they made the time period of January 1 to March 31. The table gives the defect and the number of defects. Do the data support the notion that each defect type occurs in the same proportion? Test at the 5% level. Number of Defective Lenses Defect type Number of defects Scratch 1866 Right shaped - small 1935 Flaked 1979 Wrong axis 1921 Chamfer wrong 1864 Crazing, cracks 1991 Wrong shape 2004 Wrong PD 1895 Spots and bubbles 1917 Wrong height 1885 Right shape - big 1875 Lost in lab 1886 Spots/bubble - intern 1935 State the hypotheses.H0: Each defect type in the same proportion.Ha: Each defect type in the same proportion. Calculate the χ2 test statistic. Round expected values to two decimal places. Round χ2 to three decimal places.χ2 = Calculate the p-value. Round to four decimal places.p-value = State your decision.Since p-value 0.05,…
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Data was collected for 300 fish from the North Atlantic. The length of the fish (in mm) is summarized in the GFDT below. Lengths (mm) Frequency 140 - 159 1 160 - 179 16 180 - 199 71 200 - 219 108 220 - 239 83 240 - 259 18 260 - 279 3 What is the lower class boundary for the first class?class boundary =

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Accident Severity Existing data (year: 1995) (Observed values) Age group of drivers 18-30 30-50 Fatal 27 22 Grievous 27 15 injured Minor 82 60 50+ 40 44 97 120 Total 89 86 262 injury Total 136 204 437 Source: Office of the Dy. Commissioner of Police (Tra