Answer:
It is A and I am positive its A
Step-by-step explanation:
3/4 = x / 7.5
4x = 3(7.5)
4x = 22.5
x = 5.625
Answer:
The psychologist finds that the estimated Cohen's d is 0.583.
Step-by-step explanation:
The Cohen's d is used to calculate the effect size, appied when a null hypothesis is rejected.
It can be calculated for this case of population mean as:

The psychologist finds that the estimated Cohen's d is 0.583.
Answer:
2 1/4 (36) = 81
Step-by-step explanation: