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MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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An insurance company crashed four cars in succession at 5 miles per hour. The cost of repair for each of the crashes was $421,$465,$412,$218. Compute the
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- There are 22 women and 6 men. If a bar graph were drawn to represent this data, and the length of the bar for women was 5 inches long, then how long should the bar for men be? Round to the nearest tenth of an inch.arrow_forwardA student at Tolland High School wondered if boys or girls at her school traveled a greater distance to college. The student randomly selected 50 boys and 50 girls and found the distance each boy and girl travels to college. What type of interval should the student use to compute the difference in the average distances between how far boys and girls from Tolland High School travel to college?arrow_forwardA researcher believed that the number of rental cars in service by a car rental company would have an impact on the total annual revenue for that car rental company. Five small car rental companies were surveyed, with the number of Cars in service recorded in units of 1000 (so if a car rental company had 54000 cars in service, a 54 would be recorded) and Annual Revenue measured in millions of dollars (so an Annual Revenue of $10,000,000 would be recorded as 10). The data follows: Cars (1000s) Annual Revenue ($ millions)11.5 118 10.0 135 9.0 100 5.5 37 3.3 32 Part of the Excel-generated Simple Linear Regression output is provided below: ANOVA df SS MS F Significance F Regression 1 7891.863897 7891.863897 22.91180151 0.017339231 Residual 3 1033.336103 344.4453677 Total 4 8925.2…arrow_forward
- Companies in the U.S. car rental market vary greatly in terms of the size of the fleet, the number of locations, and annual revenue. In 2011 Hertz had 320,000 cars in service and annual revenue of approximately $4.2 billion. The following data show the number of cars in service (1000s) and the annual revenue ($millions) for six smaller car rental companies (Auto Rental News website, August 7, 2012). If required, enter negative values as negative numbers. c. Use the least squares method to develop the estimated regression equation (to 3 decimals). d. For every additional car placed in service, estimate how much annual revenue will change. Use estimated value rounded to 3 decimals. e. Fox Rent A Car has 11,000 cars in service. Use the estimated regression equation developed in part (c) to predict annual revenue for Fox Rent A Car. Round your answer to nearest whole value. millionarrow_forwardIf you drive from New York to Boston at 55 MPH, and return at 75 MPH. What is your overall average speed?arrow_forwardA sports psychologist wants to compare the running time for athletes vs non-athletes while running 1 mile. He collects data from 226 non-athletes and 166 athletes and analyzes it using SPSS.arrow_forward
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