Follow this topic

Posted on:

26 Oct 2022

1

unknown variance

in Statistics / Confidence intervals. Two means. Dependent samples

Hi, I do not understand please in what situations does the Variance become unknown? Isnt it always measurable? Thanks..

0 answers ( 0 marked as helpful)

Submit an answer

related questions

0

14

Standard deviation compared to Variance

3

8

Population Variance - do we ever know this in real life?

Valerie Spitaels

1

6

Resolved: Calculating Variance

Salaheddine Hammou

0

6

sample variance

3

4

Confidence interval (Regarding population-variance-known-z-score lesson)

5

4

Resolved: Population variance known vs. unknown

0

2

Z score for independent samples with unknown and different variances?

Purnendu Shukla

0

2

What Is Sample Size >50 and population/sample variance is unknown?

1

2

for Test for the mean. Population variance unknown

Sandesh Deshkar

0

2

Resolved: dependent samples with known population variance

1

2

How do you decide whether the variance is known or unknown?

0

2

Exercise Sample Variance