A machine produces metal axels used in an auto-mobile suspension system. A random sample of 15axels is selected, and the diameter is measured. The resulting data (in millimeters) are as follows:8.258.268.238.238.208.288.248.248.208.268.218.258.238.198.24Compute a 95% tolerance interval on the diameter of the axels.a. None of the aboveb. Insufficient DataO c. (8.156, 8.304)O d. (8.162, 8.298)

Tolerance interval explains the range within which the interval range of the population parameter…

Answered: A machine produces metal axels used in…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.5: Comparing Sets Of Data

Problem 14PPS

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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.
Everest auto industry produces bearing for Mahindra Motor Corporation. The precision of radius of bearing is very important for its successful functioning. To check the variability in the bearing radius, the company randomly selected ten bearings and measured the radius, the result of which is as shown in the table below. #no Nominal radius (cm) #no Nominal radius (cm) 1 2.70 6 2.59 2 2.65 7 2.73 3 2.75 8 2.64 4 2.55 9 2.88 5 2.76 10 2.83 Calculate the sample standard deviation for the above data. Construct a box plot and check whether there is any outlier data in the data distribution. Based on the comparison between the mean and the quartile, identify the shape of the data distribution. Calculate the 65th percentile and interpret the result. What is the range of the data distribution? Explain its meaning.
Font Everest auto industry produces bearing for Mahindra Motor Corporation. The precision of radrus of bearing is very important for its successful functioning. To check the variability in the bearing radius, the company randomly selected ten bearings and measured the radius, the result of which is as shown in the table below. Nominal radius (cm) #no #no Nominal radius (cm) 2.45 1. 2.70 6. 71 8. 2. 2.65 2.73 3. 2.75 2.64 4. 2.55 9. 2.66 2.76 10 2.83 a. Calculate the sample standard deviation for the above data. b. Construct a box plot and check whether there is any outlier data m the data distribution. c. Based on the comparison between the mean and the quartile, identify the shape of the data distribution. d. Calculate the 55 percentile and interpret the result. e. What is the range of the data distribution? Explain sts meaning. d States)
The 5- number summary is 0.53, 0.74, 1.19, 1.355, and 1.49
PLEASE SHOW COMPLETE SOLUTION WITHIN 30 MINUTES
A die was rolled 360 times and the results were: No. of Spots (outcomes) Frequency 1 54 2 70 3 58 4 62 5 50 6 66 Is the die balanced at a = 0.05? Determine the test statistic to be used. O A. Chi-square test B. z-Test O C. t-Test O D. F-test
Given a 95% C.I. = (34.14 mm, 36.02 mm) for a sample of Wooly Bear caterpillar lengths, determine the Maximum Error of the Estimate (aka margin of error), E, for this interval.
An automatic lathe produces rollers for roller bearings, and statistical process control charts are used to monitor the process. The central line of the chart for the sample means is set at 8.50 and for the range at 0.31 mm. The process is in control, as established by samples of size 5. The upper and lower specifications for the diameter of the rollers are 18.50 + 0.252 and 18.50 - 0.252 mm, respectively. a. Calculate the control limits for the mean and range charts. b. If the standard deviation of the process distribution is estimated to be 0.13 mm, is the process capable of meeting specifications? Assume four-sigma performance is desired. c. If the process is not capable, what percent of the output will fall outside the specification limits? (Hint: Use the normal distribution.)
Please help me with d. The answer there is incorrect
A new production process is being contemplated for the manufacture of stainless steel bearings. Measurements of the diameters of random samples of bearings from the old and the new processes produced the following data: Old: 16.3 15.9 15.8 16.2 16.1 16.0 15.7 15.8 15.9 16.1 16.3 16.1 15.8 15.7 15.8 15.7 New: 15.9 16.2 16.0 15.8 16.1 16.1 15.8 16.0 16.2 15.9 15.7 16.2 15.8 15.8 16.2 16.3 Can you conclude at the 5% level that one process yields a different mean size bearing than the other? a. b. Can you conclude at the 5% level that the variance of the new procedure is lower than the older procedure?
A sample of blood pressure measurements is taken for a group of adults, and those values (mm Hg) are listed below. The values are matched so that 10 subjects each have a systolic and diastolic measurement. Find the coefficient of variation for each of the two samples;then compare the variation. a. The coefficient of variation for the systolic measurements is (Type an integer or decimal rounded to one decimal place as needed.) b. The coefficient of variation for the diastolic measurements is (Type an integer or decimal rounded to one decimal place as needed.)
Jllustration 36. A collar manufacturer is considering the production of a new style of collar Vio attract young men. The following statistics of neck circumferences are available based upon measurements of a typical group of college students: Mid-value (in inches) : 12.0 12.5 13.0 13.5 14.0 14.5 15.0 15.5 016.0 No. of students 02 : 16 36 60 76 37 A 18 308-012 Compute the standard deviation and use the criterion X+30 where o is the standard deviation and X is the arithmetic mean to determine the largest and smallest size of the collar he chould make in order to meet the needs of practically all the customers bearing in mind that collars are worn on an average 1 inch longer than neck size.

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