Janis Frisfelds

4 Questions 2 Answers 0 Followers

Questions related from Janis Frisfelds

Spare part inventory management - calculating safety stock and ROP?

Below is a simple graphical representation of a spare parts supply chain. Currently there is a centralized spare part inventory where ROP is calculated based on outgoing demand. SS=...

06 June 2019 1,429 5 View

Queuing theory application in practice?

Hello, I have a question related to queuing theory. The problem I am working on consists of a single waiting line and multiple service stations. Each station consists of a single employee...

27 May 2019 615 6 View

Median as an estimate for central tendency and for making a Confidence interval?

Hello Everyone, I have a data set which is heavily skewed with outliers. Please see the png attached for the distribution of the data. I am comparing performance of multiple groups to a control...

24 March 2019 9,906 18 View

Outlier and skewness effect on Normality and homogeneity of variance testing?

Good day, I am currently writing my bachelor thesis which involves quite a bit of research and statistics. Could anyone please help me understand how having data that is highly skewed and having...

15 March 2019 5,599 4 View