Mathematics
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

answer
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 14:30, 21580
1. what is the formula for finding the vertical distance between two points on a coordinate plane?
Answers: 1
image
Mathematics, 21.06.2019 15:30, shawn451
After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30
Answers: 1
image
Mathematics, 21.06.2019 16:10, poptropic9207
Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2
Answers: 2
image
Mathematics, 21.06.2019 18:00, tmrsavage02p7cj16
Ageologist had two rocks on a scale that weighed 4.6 kilograms together. rock a was 0.5 of the total weight. how much did rock a weigh?
Answers: 1
Do you know the correct answer?
What was the age distribution of prehistoric native americans? extensive anthropological studies in...

Questions in other subjects:

Konu
English, 21.11.2020 01:30
Konu
Mathematics, 21.11.2020 01:30