From the time of early studies by Sir Francis Galton in the late nineteenth century linking...

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From the time of early studies by Sir Francis Galton in the latenineteenth century linking it with mental ability, the cranialcapacity of the human skull has played an important role inarguments about IQ, racial differences, and evolution, sometimeswith serious consequences. (See, for example, S.J. Gould, \"TheMismeasure of Man,\" .) Suppose that the mean cranial capacitymeasurement for modern, adult males is cc (cubic centimeters) andthat the standard deviation is cc. Complete the followingstatements about the distribution of cranial capacity measurementsfor modern, adult males. (a) According to Chebyshev's theorem, atleast ? of the measurements lie between 565 cc and 1481 cc. (b)According to Chebyshev's theorem, at least 36% of the measurementslie between and . (Round your answer to the nearest integer.) (c)Suppose that the distribution is bell-shaped. According to theempirical rule, approximately 99.7% of the measurements lie betweenand . (d) Suppose that the distribution is bell-shaped. Accordingto the empirical rule, approximately ? of the measurements liebetween 565 cc and 1481 cc.

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4.5 Ratings (657 Votes)

a 1 1k2 036 or 1k2 064 or k2 1064 or k 125 1096 125 269 75975 1096 125 269 143225 According to Chebyshevs theorem at least 36 of measurements lie between 75975 See Answer

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