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Earn +20 ptsQ: What is the z score for 80 percent percent confidence?
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The standard z-score such that 80 percent of the distribution is below to the left of this value is?
z = 0.8416
What is the z score for a given raw score?
Let your raw score be x and M the mean and S the standard deviation. The Z score for your specific x is Z=(x-M)/S So say your score is 80 (out of 100) and the mean is 70 and the standard deviation is 10. Then the z score for your 80 is: (80-70)/10=1 If on the other hand you got a 60, then the z score would be -1.
What is the Z value for 91 percent confidence interval estimation?
The Z-value for a one-sided 91% confidence interval is 1.34
What is the Z score for a confidence level of 0.01?
The answer depends on whether the confidence interval is one sided or two sided.
What is the z value for 86 percent confidence interval estimation?
Pr{z<=1.0805}~=0.86
What is the z score if 65 percent of the curve lies to the right of z?
-0.38532
What is the z score if 30.5 percent of the curve lies to the left of the z?
It is -0.51
What z score corresponds to 40 percent between the mean and the z?
z = 1.28, approx.
What is the Z value for 95 percent confidence interval estimation?
1.96
What is the z value for 75 percent confidence interval estimation?
1.15
What is the Z value for 99 percent confidence interval estimation?
ss
What is the critical z-value that corresponds to a confidence level of 86 percent?
norminv([(1-0.86)/2 1 - (1-0.86)/2], 0, 1) which results in a z-score range of -1.4758 to 1.4758
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