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 Oct 23 comment Hölder type of inequality? I am confused, do you mean $f''(z)$? Oct 23 comment Calculate the MLE for a parameter 𝜆 why are people upvoting this question? the questioner made no effort what so ever. Oct 23 comment Calculate the MLE for a parameter 𝜆 @sara.t do you even know what you asked? Oct 23 comment Calculate the MLE for a parameter 𝜆 Nope, you do not mean cumulative density function. I am sure. Oct 23 comment Losing less than $100 in a game of chance. what do you mean you tried to take$P(X_n\geq -100)$.? Chebyshev, Markov inequality? Oct 23 answered standardised random variable least square regression$X$against$Y$,$Y$against$X$Oct 23 comment standardised random variable least square regression$X$against$Y$,$Y$against$X$@calculus regression minimises the total squared distance between realisations of$X$and$Y$to and the regression line, which goes through the origin in this case. I could have posed the question as I have a bunch of points$x_i$and$y_i$such that they have mean 0 and variance 1, the question would have still made sense. Oct 23 comment standardised random variable least square regression$X$against$Y$,$Y$against$X$@NormalHuman that is a helpful comment. Oct 23 revised standardised random variable least square regression$X$against$Y$,$Y$against$X$edited tags Oct 23 asked standardised random variable least square regression$X$against$Y$,$Y$against$X$Oct 16 awarded Yearling Oct 12 reviewed Approve Prime numbers qns Oct 12 reviewed No Action Needed Trigonometry Question - find the width of the river and height of the post Oct 12 reviewed Looks OK Correct notation for “for all positive real$c$” Oct 12 reviewed Looks OK Taylor expansion for$\arcsin^2{x}\$ Oct 12 reviewed Looks OK Is differentiating on both sides of an equation allowed? Oct 9 reviewed Leave Closed Sum of reversed numbers? Oct 9 reviewed Reopen If some of your boomerangs don't come back, how many throws will you get? Oct 9 reviewed Reopen Order of the sum of elements of the inverse of a matrix Oct 9 reviewed Reject