What Can the Researcher Conclude

Multiple Choice

What can the researcher conclude?

A) There is not sufficient evidence to reject the null hypothesis;the population means and standard deviations are equal.
B) The two population means are equal but the standard deviations are different.
C) There is sufficient evidence to reject the null hypothesis and conclude that the two population means are different.
D) The answer cannot be determined without calculating the p-value and comparing it to the significance level.