Hello everybody,
today I want to write few words about standards of normal distribution in statistics.
Take a look at the picture:
This picture says the following. If you have normal distribution, than 68% of data fall in range - σ
Hello everybody.
Today I want to drop a short summary of different levels of measurrements in statistics.
It's represented in following table:
Difference
Order
Similar intervals
Meaningful zero point
Categorical
Nominal
+
-
-
-
Ordinal
+
+
-
-...