It is not possible to have a probability greater than 1. All probabilities are between 0 and 1, inclusive.
It is an obtuse angle because it's greater than 90 but less than 180 degrees
84
To determine percentages less than 100, multiply the number by x/100. The same holds for percentages over 100 - for example, finding 250 percent of a number is equivalent to multiplying the number by 250/100, that is, 2.5.
sometimes It depends if you are Asian or not and know the answer
Standard deviation is 0.
It can be.
Standard deviation is the square root of the variance. Since you stated the variance is 4, the standard deviation is 2.
Standard Deviation = (principal value of) the square root of Variance. So SD = 10.
Formula for standard error (SEM) is standard deviation divided by the square root of the sample size, or s/sqrt(n). SEM = 100/sqrt25 = 100/5 = 20.
A sample of size 100.
2
Bob scored 300 or 700.
There is no actual "smallest" observation - a standard deviation of zero means that all 100 of the observations had to be 46.
The mean for the WISC, like the WAIS, is 100. The deviations from 100, or standard deviations, are 15.
Standard deviation is a calculation. It I used in statistical analysis of a group of data to determine the deviation (the difference) between one datum point and the average of the group.For instance, on Stanford-Binet IQ tests, the average (or, mean) score is 100, and the standard deviation is 15. 65% of people will be within a standard deviation of the mean and score between 85 and 115 (100-15 and 100+15), while 95% of people will be within 2 standard deviations (30 points) of the mean -- between 70 and 130.
100 x (standard deviation/mean)