We are investigating 32 cars in which the following measurements were made were analyzed on each car: ⚫ mpg Miles/(US) gallon • • • disp Displacement (cu.in.) hp Gross horsepower drat Rear axle ratio • wt Weight (1000 lbs) • qsec 1/4 mile time
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- Spacers are manufactured to the mean dimension and tolerance shown in Figure 29-12. An inspector measures 10 spacers and records the following thicknesses: 0.372" 0.376" 0.379" 0.375" 0.370" 0.373" 0.377" 0.378" 0.371" 0.380" Which spacers are defective (above the maximum limit or below the minimum limit)? All dimensions are in inches.In a study of exhaust emissions from school buses, the pollution intake by passengers was determined for a sample of nine school buses used in the Southern California Air Basin. The pollution intake is the amount of exhaust emissions, in grams per person, that would be inhaled while traveling on the bus during its usual 1818‑mile trip on congested freeways from South Central LA to a magnet school in West LA. (As a reference, the average intake of motor emissions of carbon monoxide in the LA area is estimated to be about 0.0000460.000046 grams per person.) The amounts for the nine buses when driven with the windows open are given. 1.151.15 0.330.33 0.400.40 0.330.33 1.351.35 0.380.38 0.250.25 0.400.40 0.350.35 A good way to judge the effect of outliers is to do your analysis twice, once with the outliers and a second time without them. Give two 90%90% confidence intervals, one with all the data and one with the outliers removed, for the mean pollution intake among all school buses…Listed below are body temperatures in F from seven different subjects measure at 8 am and again at 12 am
- The table below shows head injury measurements from car crash dummies. The measurements are in head injury criterion unitsWhat is the average miles per gallon (mpg) for all new cars? Using Consumer Reports, a random sample of 35 new cars gave an average of 21.1 mpg. Answers: miles cars gallons number of new cars surveyed miles per gallon1. Comment on the relation between Height and Gestational Age using the scatterplot.
- What would be the total fire insurance premium for Best Hardware if their $655,000 building belongs in structural classification B? The contents are worth $830,250 and they received an area rating of 4. The rates per $100 are found in Table 19-4. (Round your answer to the nearest cent.)Cola Cans In each of several consecutive days of production of cola cans, 50 cans are tested and the numbers of defects each day are listed below. Do the proportions of defects appear to be acceptable? What action should be taken?An observer at a busy bus stop did a 30-minute study of 3 buses. Given the following -Alight time =2 sec -Board time=3 sec -Door opening time =5 sec Determine the number of passengers alighting from the back door for the 3 buses