Mathematics, 07.05.2020 03:06 alivas6618
An example of an early application of statistics was in the year 1817. A study of chest circumference among a group of Scottish men exhibited an approximately normal distribution. Their chest circumferences ranged from 33 to 48 inches, with a mean chest measurement of 40 inches and a standard deviation of 2 inches. Make a normal bell curve, then use the Empirical Rule to help you understand the distribution of chest circumferences in the study.
a) What range of chest measurements contains the 58% which fall closest to the mean?
b) What would you expect the chest measurements to be fore the 2.5% of the men with the smallest chest measurements?
c) What would you expect to be the smallest and largest chest measurements of the “middle” 95% of the men?
d) What would you expect to be the measurements of the 16% of the men with the largest chests in the population
Answers: 3
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How is the equation of this circle written in standard form? x2 + y2 - 6x + 14y = 142 a) (x - 3)2 + (y + 7)2 = 200 b) (x+ 3)2 + (y - 7)2 = 200 (x - 6)2 + (y + 14)2 = 142 d) (x+6)2 + (y- 14)2 = 142
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An example of an early application of statistics was in the year 1817. A study of chest circumferenc...
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