A random sample of 81 scores has a mean of 12 and a standard deviation of 4.5. Therefore, the approximate 95.44% confidence interval around m (using z?/2) is ______..

a. [0.31, 23.69]
b. [7.50, 16.50]
c. [9.40, 14.60]
d. [11.00, 13.00]


Ans: D

Psychology

You might also like to view...

The process of sex selection (sperm sorting) works for humans ______ percent of the time

Fill in the blank with correct word

Psychology

Drowning is a leading cause of unintentional death for young children in the United States

Indicate whether this statement is true or false.

Psychology

Give an example of how toddlers are weaned in traditional cultures if the gradual approach does not work

What will be an ideal response?

Psychology

ISLE 2.4 Method of AdjustmentClick on the above link to work though the ISLE activity.  Once you've completed the activity, navigate back and answer the following question.The method of adjustment is not used in everyday life.

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

Psychology