A sample of n = 4 scores has a mean of M = 8. If one new score with a value of X = 3 is added to the sample, what will be the value for the new mean?

A) ?M = 7.0
B) ?M = 8.0
C) ?M = 8.8
D) ?M=11.0


A

Psychology

You might also like to view...

Which age-group tends to think of death as a state of nothingness that goes along with biological irreversibility?

A. young children B. adolescents C. young adults D. midlife adults

Psychology

Research results have provided evidence that the ability to distinguish facial features associated with different emotions first develops as early as ____ of age.

A. 2 weeks B. 1 month C. 4 months D. 8 months

Psychology

Students who work at a job while in high school can gain personal benefits but at the expense of academic performance.

Answer the following statement true (T) or false (F)

Psychology

Introduce only those ideas and research needed to persuade the reader of the value of your work or research hypotheses.

Answer the following statement true (T) or false (F)

Psychology