Weight in kg of 10 lambs are 38, 40, 45, 53, 47, 43, 55, 48, 52, 49. Can we say that the variance of the population from which the above sample is drawn has a variance of 20
sq. kg? Assume α = 0.05

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤