List questions from descriptive-statistics

Published on 21 May 2019 - 4:57

65

Views

Are all numbers in (20;30] 50th percentiles and medians of set of numbers {10,20,30,40}?

Published on 23 May 2019 - 11:49

5.8k

Views

Does the 0th percentile exist?

Published on 26 May 2019 - 5:24

39

Views

Change in mean, median, variance and mode of a modified sample

Published on 26 May 2019 - 5:42

856

Views

Is it true that for some datasets certain percentiles don't exist?

Published on 27 May 2019 - 14:29

83

Views

Understanding this proof about linearity of expectation

Published on 28 May 2019 - 1:42

3.9k

Views

Proofs that the median and a 50th percentile aren't always the same thing. Is my reasoning correct?

Published on 30 May 2019 - 12:32

166

Views

How does mathematical software, like Libreoffice Calc, manage to find percentiles when there are no any in the first place?

Published on 31 May 2019 - 5:07

178

Views

Understanding Significance level in statistics

Published on 10 Jun 2019 - 18:53

114

Views

What is a random sample (once again...)?

Published on 14 Jun 2019 - 8:03

66

Views

Not able to solve it for n>2 observations

Published on 15 Mar 2026 - 22:07

916

Views

Is the mean or median a better measure of central tendency?

Published on 26 Jun 2019 - 10:23

79

Views

Find the distribution of $Y_3=(Y_2|Y_1=3)$ and calculate $\mathbb E(Y_3)$

Published on 06 Jul 2019 - 17:40

38

Views

Does this weighted mean have a name?

Published on 12 Jul 2019 - 15:39

131

Views

Distribution of weighted data

Published on 08 Aug 2019 - 9:03

List Question

How to calculate weighted average of hourly sales in a day

Are all numbers in (20;30] 50th percentiles and medians of set of numbers {10,20,30,40}?

Does the 0th percentile exist?

Change in mean, median, variance and mode of a modified sample

Is it true that for some datasets certain percentiles don't exist?

Understanding this proof about linearity of expectation

Proofs that the median and a 50th percentile aren't always the same thing. Is my reasoning correct?

How does mathematical software, like Libreoffice Calc, manage to find percentiles when there are no any in the first place?

Understanding Significance level in statistics

What is a random sample (once again...)?

Not able to solve it for n>2 observations

Is the mean or median a better measure of central tendency?

Find the distribution of $Y_3=(Y_2|Y_1=3)$ and calculate $\mathbb E(Y_3)$

Does this weighted mean have a name?

Distribution of weighted data

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