In a contingency table with m rows and n columns, the degrees of freedom for a chi-square test to determine independence is calculated as (m-1)(n-1). This accounts for the number of categories minus one in each dimension, allowing for the calculation of expected frequencies under the assumption of independence.
13. Stringent
...Choose the word opposite in meaning to the given word.
Frail
Four words are given, out of which only one word is spelt correctly. Choose the correctly spelt word and click the button corresponding to it.
He gave a very vague answer to the question.
MANDATORY
A) Torment B) Help C) Lament D) Regret
...Successive (A) empirical research studies have shown that higher punishment (B) has little intact (C) on lowering (D) crime rates.
...Someone who is a passionate advocate, promoter, or pioneer of a particular cause or belief
Which pair is wrongly matched?
Mystify
...
