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Establishing tolerance limits. The tolerance limits for a particular quality characteristic (e.g., length, weight, or strength) of a product are the minimum and/or maximum values at which the product will operate properly. Tolerance limits are set by the engineering design
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Statistics for Business and Economics (13th Edition)
- Steel Strength_vs_Carbon_Content_data Steel Grade Nominal Carbon Fatigue Yield Ultimate Hardness 9254 0.54 845 2270 1070 0.7 533 1950 8620 0.8 458 920 8695 0.95 401 780 8695 0.95 509 847 6150 0.5 307 1878 1552 0.52 257 933 2450 2069 1202 1496 979 2343 933 584 613 583 539 539 555 601arrow_forwardData consistent with summary quantities in the article "Effects of Fast-Food Consumption on Energy Intake and Diet Quality Among Children" on total calorie consumption on a particular day are given for a sample of children who did not eat fast food on that day and for a sample of children who did eat fast food on that day. Assume that it is reasonable to regard these samples as representative of the population of children in the United States. No Fast Food 2323 1910 1001 1722 1461 2045 2135 1973 1844 1769 1757 1819 1640 1498 2661 Fast Food 2543 1778 954 2348 2454 2287 2546 1215 910 1531 895 2227 1831 1270 2137 (a) Use the given information to estimate the mean calorie intake for children in the United States on a day when no fast food is consumed. (Give the answer to one decimal place.) 1788.4 1x 0 (b) Use the given information to estimate the mean calorie intake for children in the United States on a day when fast food consumed. (Give the answer to one decimal place.) x (c) Use the…arrow_forwardA critically important aspect of customer service in a supermarket is the waiting time at the checkout (defined as the time the customer enters the line until he or she is served). Data were collected during time periods where there were a constant number of checkout counters open. The total number of customers in the store and the waiting times (in minutes) were recorded. The results are displayed in the accompanying table. Complete parts (a) through (d). LOADING... Click the icon to view the data table. a. Construct a scatter diagram. Choose the correct graph below. A. 05006CustomersTime x y graph B. 06050TimeCustomers x y graph C. 05006CustomersTime x y graph D. 06050TimeCustomers x y graph b. Assuming a linear relationship, use the least-squares method to find the regression coefficients b0 and b1. b0 = enter your…arrow_forward
- Weight 1.897 Cost 53.6 3.019 184.9 0.453 6.4 0.988 23.5 1.058 33.4 2.1 110.4 2.387 104.6 People at SpaceX Inc conducted a pilot study to determine the relationship between the weight and cost of a major object being sent into space. The results of the pilot study are contained in data file ASP.1, available in the LBRT #2 folder. Determine the number of observations needed to be 89% confident that the estimate of the average cost is within $15 of the overall mean cost. Note: Assume that the pilot study standard deviation is a good estimate of the population standard deviation, that an appropriate value from the Z-table can be used, and that hand calculations are used to find the answer (i.e. do not use Kaddstat).arrow_forwardData consistent with summary quantities in the article "Effects of Fast-Food Consumption on Energy Intake and Diet Quality Among Children" on total calorie consumption on a particular day are given for a sample of children who did not eat fast food on that day and for a sample of children who did eat fast food on that day. Assume that it is reasonable to regard these samples as representative of the population of children in the United States. No Fast Food 2342 1929 1020 1741 1480 2064 2154 1992 1863 1788 1776 1838 1659 1517 2680 Fast Food 2522 1757 933 2327 2433 2266 2525 1194 889 1510 874 2206 1810 1249 2116 (a) Use the given information to estimate the mean calorie intake for children in the United States on a day when no fast food is consumed. (Give the answer to one decimal place.) 1856.2 (b) Use the given information to estimate the mean calorie intake for children in the United States on a day when fast food is consumed. (Give the answer to one decimal place.) 1774.1 (c) Use the…arrow_forwardThe euphotic zone is the upper 200 m layer of the oceans. Very little sunlight penetrates deeper than 200 m, so most plants live in the euphotic zone. As a result, 70% of all photosynthesis on Earth occurs in the euphotic zone of the oceans. The following table gives light penetration data for the location in the Pacific Ocean. Depth (m) Penetration of Sunlight (%) 0.01 100 20 54.37 40 29.57 60 16.08 80 8.74 100 4.76 a. Determine the equation of the logarithmic regression by using LOG or LN function on your TI-83 Plus graphic calculator. b. Using your equation obtained from a), determine the depth with a sunlight penetration of 35%. Express your answer to the nearest tenth of meter.arrow_forward
- IDENTIFY THE TYPE (Qualitative or Quantitative; if Quantitative - Continuous or Discrete) AND LEVEL OF MEASUREMENT OF THE FOLLOWING VARIABLES gender - either male or female runtime - time to run 1.5 miles (in min) age - age of the gym member in years weight - weight of the gym member (in kg) oxygen consumption - measure of the ability to use oxygen in the blood stream (in ml/min) rest pulse - resting pulse rate (in bpm) maximum pulse - maximum pulse rate during the run (in bpm)arrow_forwardObtain the descriptive statistics for each strain. And interpret itarrow_forwardSkim Milk: 0.033 g/mL Class Data: 0.0295 g/mL 0.0228 g/mL 0.0213 g/mL 0.0219 g/mL 0.0269 g/mL 0.0284 g/mL 0.0243 g/mL Compared to my data value of 0.033 g/mL, state whether these values above (class data) are precise, accurate, both, or neitherarrow_forward
- Find the mean and standard deviation for each uniform continuous model. Mean Standard Deviation a. U (2, 12) b. U (90, 250) c. U (1, 93)arrow_forwardllustration 7.4. Represent the following data by a suitable dia- gram. Also indicate the 'profit' or 'loss' per unit. рег ТАBLE 7.8 Factory Wages Materials Other No. of units produced Rs Profit costs Rs Rs Rs Rs 3,000 2,000 A 5,000 3,000 1,000 1,000 1,000 700 B 800 590arrow_forwardThe Environmental Protection Agency (EPA) requires that cities monitor over 80 contaminants in their drinking water. Samples from the Lake Huron Water Treatment Plant gave the results shown here. All observations were below the allowable maximum, as shown by the reported range of contaminant levels. (presumably the mean would be the midrange). Substance Range Detected AllowableMaximum Origin of Substance Chromium 0.47 to 0.69 100 Discharge from steel and pulp mills, natural erosion Barium 0.004 to 0.019 2 Discharge from drilling wastes, metal refineries, natural erosion Fluoride 1.07 to 1.17 4 Natural erosion, water additive, discharge from fertilizer and aluminum factories For each substance, estimate the standard deviation σ by assuming uniform distribution and normal distribution shown in Table 8.11 in Section 8.8. (Round your answers to 4 decimal places.) Uniform Distribution Normal Distribution Chromium Barium Fluoridearrow_forward
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