Mathematics, 12.02.2020 03:31 DivineMemes420
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 88 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.)
col1 Age range (years) 1-10 11-20 21-30 31 and over
col2 Number of individuals 40 24 15 9
Answers: 3
Mathematics, 21.06.2019 22:00, lalanduni
Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)
Answers: 1
Mathematics, 21.06.2019 23:00, ReveenatheRaven2296
The distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points
Answers: 1
What was the age distribution of prehistoric Native Americans? Extensive anthropological studies in...
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