X= 9 over 4 is the correct answer
Answer:
none of the above
Step-by-step explanation:
cohen's d= (Mean of population - mean of sample)/ standard deviation of population
0.5 = (80-mean of sample)/12
Mean of sample= 74
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Step-by-step explanation:
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Depends on the number line my guy
<span>x+2 = -x+6
</span>2x+2 = 6
2x = 4
x = 2
