Multiple Choice
A random sample of females was observed to exhibit a lower average level of self-esteem than a random sample of males. To assess the likelihood that this observed difference reflects a real difference in the average self-esteem of the total population of males and females, it is necessary to
A) construct a scatterplot.
B) calculate a correlation coefficient.
C) plot the distribution of self-esteem levels among all males and females.
D) conduct a test of statistical significance.
Correct Answer:
Verified
Correct Answer:
Verified
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