math
posted by Dan .
The weights (in pounds) of a sample of five boxes being sent by UPS are: 12, 6, 7, 3, and 10.
a. Compute the range.
b. Compute the mean deviation.
c. Compute the standard deviation.

math 
Writeacher
http://www.purplemath.com/modules/meanmode.htm
http://www.google.com/search?rlz=1C1GGLS_enUSUS292&sourceid=chrome&ie=UTF8&q=mean+deviation
http://www.google.com/search?hl=en&rlz=1C1GGLS_enUSUS292&q=standard+deviation&btnG=Search
Let us know what you come up with. 
math 
Bill
Range=123=9
Mean=(12+6+7+3+10)/5=7.6
Mean Deviation=[(127.6)+(7.66)+(7.67)+(7.63)+(107.6)]/5 = 13.6/5=2.72
Standard Deviation=sqrt=[(127.6)^2(7.66)^2+(7.67)^2+(7.63)^2+(107.6)^2]/(51)=sqrt[19.36+2.56+0.36+21.16+ 5.76]/4=sqrt[12.3]=3.51
Respond to this Question
Similar Questions

statistics
what are the mean and standard deviation of a sampling distribution consisting of samples of size 16? 
RES 341
A sample of 300 is taken and the sample mean is computed to be 7.65 and the sample standard deviation is 5. Assume the data is ratio level. Compute the 95% confidence interval on the mean. Compute the 3.9% confidence interval on the … 
stats
sample was obtained from a population with unknown parameters. scores: 6, 12, 0, 3, 4 compute the sample mean and sandard deviation. compute the estimated standard error for M. 
statistics
A student was asked to compute the mean and standard deviation for the following sample of n _ 5 scores: 81, 87, 89, 86, and 87. To simplify the arithmetic, the student first subtracted 80 points from each score to obtain a new sample … 
math
The following is a set of data from a sample of n = 5: 7 4 9 8 The following is a set of data from a sample of n = 5: 7 4 9 8 2 a. Compute the mean, median, and mode. b. Compute the range, variance, standard deviation, and coefficient … 
statistics
a. Compute the mean, median, and mode. b. Compute the variance, standard deviation, range, coefficient of variation, and Z scores. Are there any outliers? 
statistics
All deal with a random variable X that follows a normal probability distribution with mean equal to 37 and a standard deviation of 5. Compute P(X < 39) Compute P(X < 29 or X > 41) Compute P(X > 30) Find the 42nd percentile … 
statistics
All deal with a random variable X that follows a normal probability distribution with mean equal to 37 and a standard deviation of 5. Compute P(X < 39) Compute P(X < 29 or X > 41) Compute P(X > 30) Find the 42nd percentile … 
math
a sample consists of the following n =6 scores: 2, 7, 4, 6, 4, and 7 compute the mean and standard deviation for the sample 
Probability and statistics
The hydrocarbon emissions at idling speed in parts of million (ppm) for automobiles of 1980 and 1990 model years are given for 20 randomly selected cars. 1980 models: 141 359 247 940 882 494 306 210 105 880 200 223 188 940 241 190 …