The weights (in pounds) of 27 packages of ground beef in a supermarket meat display are as follows. 1.10 0.99 0.95 1.20 1.43 1.26 0.83 1.04 1.12 1.40 0.77 0.94 1.06 0.85 0.87 0.91 0.98 1.10 1.14 0.93 1.22 0.87 0.98 1.14 0.92 1.20 1.15 Find the percentage of measurements in the intervals x ± s, x ± 2s, and x ± 3s. (Round your answers to the nearest percent.) x ± s=___________ % x ± 2s=_________ % x ± 3s=_________ % (d)How do the percentages obtained in part (c) compare with those given by the Empirical Rule? Explain. Which one is the Answer? ______The percentages are nearly identical to those given by the Empirical rule. ______The percentages do not agree very closely with those given by the Empirical rule. (e) How many of the packages weigh exactly 1 pound? Can you think of any explanation for this?
The weights (in pounds) of 27 packages of ground beef in a supermarket meat display are as follows. 1.10 0.99 0.95 1.20 1.43 1.26 0.83 1.04 1.12 1.40 0.77 0.94 1.06 0.85 0.87 0.91 0.98 1.10 1.14 0.93 1.22 0.87 0.98 1.14 0.92 1.20 1.15 Find the percentage of measurements in the intervals x ± s, x ± 2s, and x ± 3s. (Round your answers to the nearest percent.) x ± s=___________ % x ± 2s=_________ % x ± 3s=_________ % (d)How do the percentages obtained in part (c) compare with those given by the Empirical Rule? Explain. Which one is the Answer? ______The percentages are nearly identical to those given by the Empirical rule. ______The percentages do not agree very closely with those given by the Empirical rule. (e) How many of the packages weigh exactly 1 pound? Can you think of any explanation for this?
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter29: Tolerance, Clearance, And Interference
Section: Chapter Questions
Problem 16A: Spacers are manufactured to the mean dimension and tolerance shown in Figure 29-12. An inspector...
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The weights (in pounds) of 27 packages of ground beef in a supermarket meat display are as follows.
| 1.10 | 0.99 | 0.95 | 1.20 | 1.43 | 1.26 | 0.83 |
| 1.04 | 1.12 | 1.40 | 0.77 | 0.94 | 1.06 | 0.85 |
| 0.87 | 0.91 | 0.98 | 1.10 | 1.14 | 0.93 | 1.22 |
| 0.87 | 0.98 | 1.14 | 0.92 | 1.20 | 1.15 |
Find the percentage of measurements in the intervals x ± s, x ± 2s, and x ± 3s. (Round your answers to the nearest percent.)
x ± s=___________ %
x ± 2s=_________ %
x ± 3s=_________ %
(d)How do the percentages obtained in part (c) compare with those given by the Empirical Rule ? Explain. Which one is the Answer?
______The percentages are nearly identical to those given by the Empirical rule.
______The percentages do not agree very closely with those given by the Empirical rule.
(e) How many of the packages weigh exactly 1 pound? Can you think of any explanation for this?
Answer:_______________________________________________________
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