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Beginner Econometrics question about probabilities for a normal variable

score 119 · Answer 1 · 2014-09-10 16:38:34

119

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Beginner Econometrics question about probabilities for a normal variable

Published on 10 Sep 2014 - 16:38

score 1.1k · Answer 2 · 2014-09-15 22:01:05

1.1k

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Arithmetic mean using logarithm

Published on 15 Sep 2014 - 22:01

score 43 · Answer 3 · 2026-03-25 20:40:05

43

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Finding groups with minimum mean deviation

Published on 25 Mar 2026 - 20:40

score 95 · Answer 4 · 2014-09-18 02:09:07

95

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Let $X$ be a discrete random variable and let $Y = 0.5 X + 3$. Given PMF of $X$, find PMF of $Y, E [Y ]$ and $Var[Y]$.

Published on 18 Sep 2014 - 2:09

score 58 · Answer 5 · 2014-09-19 01:05:07

58

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Algebraic identity I cannot solve

Published on 19 Sep 2014 - 1:05

score 162 · Answer 6 · 2014-09-20 18:31:09

Prove $ \frac{1}{a^{2}-ab+b^2}+\frac{1}{b^{2}-bc+c^2} +\frac{1}{c^{2}-ca + a^2} \leq \frac{1}{a^2}+\frac{1}{b^2}+\frac{1}{c^2} $

score 4.9k · Answer 7 · 2014-09-26 23:14:39

4.9k

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Finding variance from bell curve

Published on 26 Sep 2014 - 23:14

score 1.5k · Answer 8 · 2026-03-25 16:00:22

1.5k

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Upper and lower bound for variance given mean and median

Published on 25 Mar 2026 - 16:00

score 78 · Answer 9 · 2014-09-30 05:09:23

78

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Mean average with range of values as a value in frequency table

Published on 30 Sep 2014 - 5:09

score 76 · Answer 10 · 2014-10-01 15:05:05

76

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Is the sample variance for normally distributed data equivalent to the sample variance for data following a bernoulli or binomial distribution?

Published on 01 Oct 2014 - 15:05

score 637 · Answer 11 · 2014-10-02 11:00:31

637

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Unweighted Mean of Percentages

Published on 02 Oct 2014 - 11:00

score 1.2k · Answer 12 · 2026-03-25 16:06:08

1.2k

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Getting the average of values with errors.

Published on 25 Mar 2026 - 16:06

score 1.4k · Answer 13 · 2026-03-25 14:20:54

1.4k

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A continuous function defined on an interval can have a mean value. What about a median?

Published on 25 Mar 2026 - 14:20

score 87 · Answer 14 · 2014-10-07 20:04:45

87

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How to 'adjust' a series mean to match another series mean

Published on 07 Oct 2014 - 20:04

score 73 · Answer 15 · 2014-10-07 20:11:30

73

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Why is this true? $\forall a\in(1,\infty), B\in(0,\infty), x\in(0,\infty) : a^x\geq \left(\frac{ex\ln(a)}{B}\right)^{B}$

Published on 07 Oct 2014 - 20:11

List Question

Beginner Econometrics question about probabilities for a normal variable

Arithmetic mean using logarithm

Finding groups with minimum mean deviation

Let $X$ be a discrete random variable and let $Y = 0.5 X + 3$. Given PMF of $X$, find PMF of $Y, E [Y ]$ and $Var[Y]$.

Algebraic identity I cannot solve

Prove $ \frac{1}{a^{2}-ab+b^2}+\frac{1}{b^{2}-bc+c^2} +\frac{1}{c^{2}-ca + a^2} \leq \frac{1}{a^2}+\frac{1}{b^2}+\frac{1}{c^2} $

Finding variance from bell curve

Upper and lower bound for variance given mean and median

Mean average with range of values as a value in frequency table

Is the sample variance for normally distributed data equivalent to the sample variance for data following a bernoulli or binomial distribution?

Unweighted Mean of Percentages

Getting the average of values with errors.

A continuous function defined on an interval can have a mean value. What about a median?

How to 'adjust' a series mean to match another series mean

Why is this true? $\forall a\in(1,\infty), B\in(0,\infty), x\in(0,\infty) : a^x\geq \left(\frac{ex\ln(a)}{B}\right)^{B}$

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