 , 06.01.2020 20:31 lexus1427

# Betty scored 56 on a statistics test that had a mean of 65 and a standard deviation of 5. what was the z- score on the test? Z-score for a variable X is calculated using
Z(x)=(x-mean)/standard deviation.
Here
x=56
mean=65
standard deviation=5
so
Z(65)=(65-56)/5=9/5=1.8 true

step-by-step explanation: 0=6x+2y+10 is equivalent to the simplified form: y= -3x - 5• parallel lines always have the same slope, different y intercept knowing this, we can say the slope, or m of the line parallel to y= -3x - 5 is -3.m= -3 hope this could !   ### Other questions on the subject: Mathematics Mathematics, 21.06.2019 15:00, m4167281
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Betty scored 56 on a statistics test that had a mean of 65 and a standard deviation of 5. what was t...

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