I Nonparametric Tests of Hypotheses, Which Are Also Called Distribution

question 59

Multiple Choice

i. Nonparametric tests of hypotheses, which are also called distribution free tests, require the population to be normally distributed.
Ii) The shape of the chi-square distribution changes for each number of degrees of freedom.
iii. The chi-square distribution is a positively skewed distribution.

• A) (i), (ii) and (iii) are all correct statements
• B) (i) and (ii) are correct statements, but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) All statements are false

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Definitions:

Barbiturates

A class of drugs that act as central nervous system depressants, historically used for anxiety, insomnia, and seizure disorders, but now less common due to risks of dependence.

Deadly Depressants

Substances that can significantly slow down brain activity, potentially leading to life-threatening effects.

Anticonvulsant Effects

The capacity of certain substances or medications to prevent or reduce the frequency of seizures.

Placebo

An inactive substance or treatment that has no therapeutic effect, used in controlled experiments to test the efficacy of another substance or treatment.