HYPOTHESIS TESTING

Data that involve two variables and uses correlation analysis to describe relationship

• bivariate

• univariate

A hypothesis state that there is no significant difference between specific populations.

• alternative hypothesis

• null hypothesis

What is the confidence coefficients of 95% level of confidence?

• 1.645

• 1.96

• 2.33

• 2.58

Data that involve a single/one variable and describe using the mean, median, and mode

• bivariate

• univariate

When α=0.01 in a two tailed test the confidence coefficient is____________.

• 1.645

• 1.96

• 2.33

• 2.58

If n<30 and the standard deviation of the population is unknown, what is the appropriate distribution?

• T-test

• Z-test

If n≥30 and the standard deviation of the population is known, what is the appropriate distribution?

• T-test

• Z-test

A___________ is an attribute or characteristics that may take more than one value which can either be measured or classified.

• data

• hypothesis

• variable

A part considered in comparative relation to a whole.

• percentile

• proportion

a wise guess about the characteristic of the population is called _________?

• data

• hypothesis

• variable