A social psychologist interested in cultural differences compared women of two ethnic groups on a Role Approval Index on which h igh scores indicated high degrees of approval of one's own social role. The results were as follows. Ethnic Group A: N=15, M=55, S2=6.5
Ethnic Group B: N=23, M=51, S2=4.5
If the standard deviation of the distribution of the difference between means is .76, what is the t score?
a. 5.26 b. -10.53 c. -8.00 d. 4.18
1 answer:
Answer:
a. 5.26
Step-by-step explanation:
As, the standard deviation of the distribution of the difference between mean is 0.76 so the t score will be simply calculated by dividing the difference of means by standard deviation of the distribution of the difference between mean as hypothesized difference is zero.
t score=Xbar A- Xbar B/Sd of difference of means
t score=55-51/0.76
t score=4/0.76=5.26
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