statistics
 👍 0
 👎 0
 👁 144
Respond to this Question
Similar Questions

Statistics
find the 90% confidence interval for the variance and standard deviation of the ages of seniors at Oak Park College if a sample of 24 students has a standard deviation of 2.3 years. Assume the variable is normally distributed. Can
asked by Diandra on October 26, 2010 
stat
for randomly selected adults, IQ scores are normally distributed with a standard deviation of 15. the scores of 14 randomly selected college students are listed below. use a 0.10 significance level to test the claim that the
asked by carl on May 14, 2012 
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
asked by Liz on June 22, 2011 
math
An organizational psychologist measures levels of job satisfaction in a sample of 30 participants. To measure the variance of job satisfaction, it is calculated that the SS = 120 for this sample. What are the degrees of freedom
asked by Misunderstood  Please help. on July 23, 2016

Statistics
The table below shows the LOS for a sample of 11 discharged patients. Using the data in the table, calculate the mean, range, variance, and standard deviation, and then answer questions e and f. Round the variance and standard
asked by Anonymous 11/9/13 on November 9, 2013 
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
asked by dannie0913 on October 27, 2012 
Statistics
Suppose that IQ scores have a bellshaped distribution with a mean of 99 and a standard deviation of 12. Using the empirical rule, what percentage of IQ scores are less than 87? Please do not round your answer. 8799 = 12/12 = 1
asked by Comet on February 1, 2016 
statistics
In an extensive study involving thousands of British children, Arden and Plomin (2006) found significantly higher variance in the intelligence scores for males than for females. Following are hypothetical data, similar to the
asked by Liz on June 22, 2011

Quantitative Analysis
The "standard deviation of the sample score" divided by the "square root of the sample size" is the formula for computing the ...? A. Coefficiant of Determination B. Absolute Deviation C. Variance D. Standard Error
asked by Stacie on November 6, 2013 
Consumer math
Complete the chart to find the mean, variance and standard deviation. Remember to use commas and round numbers to the nearest tenth. X _ X _ X  X _ (X  X)2 1. 900 = 466.2 = The mean is 2. 35 = 398.8 = 159,041.4 The median is 3.
asked by yamilex on December 11, 2012 
statistics
2. Find the variance and standard deviation of the following sample. 0 5 3 6 4 4 1 5 0 3
asked by omar on October 7, 2015 
stat.
A sample consists of the following n 6 scores: 2, 7, 4, 6, 4, and 7. a. Compute the mean and standard deviation for the sample. b. Find the zscore for each score in the sample. c. Transform the original sample into a new sample
asked by Nickie on January 27, 2013
You can view more similar questions or ask a new question.