Mathematics, 24.10.2019 07:43 hgl
What was the age distribution of prehistoric native americans? extensive anthropological studies in the southwestern united states gave the following information about a prehistoric extended family group of 98 members on what is now a native american reservation. for this community, estimate the mean age expressed in years, the sample variance, and the sample standard deviation. for the class 31 and over, use 35.5 as the class midpoint. (round your answers to one decimal place.)
age range (years) 1-10 11-20 21-30 31 and over
number of individuals 40 23 25 10
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James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number t of tokens james has is a function of g, the number of games he plays. write the function’s formula? t=
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Mathematics, 22.06.2019 00:00
One positive integer is 2 less than another. the product of the two integers is 24. what are the integers?
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