Hypothesis testing is usually done to:

OPTIONS

• statistically validate if a sample mean does belong to the population.
• statistically validate if the means of two groups are the same or if they are significantly different.
• statistically validate if variances of two groups are the same or if they are different.
• All of the above

ANSWER

All of the above

EXPLANATION

Hypothesis testing is usually done to statistically validate if a sample mean does belong to the population, find if means of two groups are the same or if they are significantly different and validate if variances of two groups are the same or if they are different.