0
What percent of the area of the normal curve is above and below 1.96 standard deviations ie. above 1.96 and below 1.96?
Wiki User
∙ 10y ago
Above 1.96: 0.024998 = 2.5%
below 1.96: 0.975002 = 97.5%
Wiki User
∙ 10y ago
Add your answer:
Earn +20 pts
What percent of the data in a normal distribution lies more than 2 standard deviations above the mean?
2.275 %
What percent lies more than 3 standard deviations above the mean?
15/1000
How many standard deviations above and below the mean contains 99 percent of the population?
2.576 sd
If a data point has a corresponding score of -1.5 then it is one and a half standard deviations above the mean value.?
If you are talking about the z-value of a point on the normal curve, then no, it is 1.5 standard deviations BELOW the mean.
What percent of data falls between 1 Standard deviation below and 2 stand deviations above the mean?
The answer will depend on what the distribution is. Non-statisticians often assum that the variable that they are interested in follows the Standard Normal distribution. This assumption must be justified. If that is the case then the answer is 81.9%
How do you find two standard deviations above a mean?
It is mean + 2*standard deviation.
How many standard deviations above the mean is the 90th percentile?
It is 1.28
How do you find the three sigma limits?
This is 3 standard deviations above and below the mean.
A z-score of plus 1.6 represents?
It is 1.6 standard deviations above the mean.
In a standard normal distribution about percent of the scores fall above a z-score of 3.00?
0.13
How good is an IQ of 155?
Toward the higher end of 3 standard deviations above average.
What is 2 Standard Deviations above an average of .1407?
The answer depends on the value of the standard deviation. Without that information, the question cannot be answered.
