Cohen's d is calculated according to the formula:
d = (mean difference) / standard deviation
0.5 = mean difference / 12
Therefore, mean difference = 6
Since we have a population mean of 80, the sample mean must be 80 + 6 = 86.
Answer:
D: 3x – 5 and 2x + 4y = 8
Step-by-step explanation:
I used desmos calculator
Answer:
x = 5,24
Step-by-step explanation:
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