# STATISTICS

Find the sample standard deviation s for the following sample data. Round your answer to the nearest hundredth.
x: 23 20 11 33 27

1. 👍 0
2. 👎 0
3. 👁 109
1. Find the mean and the deviation of each score from the mean (x-mean). Square these deviations, then sum them and divide by n = number of scores. The square root of this value is your s.

1. 👍 0
2. 👎 0
posted by PsyDAG

## Similar Questions

1. ### math

The standard deviation of a sample taken from population A is 17.6 for a sample of 25. The standard deviation of a sample taken from population B is 21.2 for a sample of 30. The standard deviation of the sample mean differences

asked by j on July 15, 2015
2. ### Statistics

A sample of 12 measurements has a mean of 37 and a standard deviation of 4.25. Suppose that the sample is enlarged to 14 measurements, by including two additional measurements having a common value of 37 each. A. Find the mean of

asked by Anonymous on September 4, 2014
3. ### Statistics

In an essay of 250-500 words, thoroughly address the following items and respond to the related questions: 1.Define the term standard deviation. Why is it important to know the standard deviation for a given sample? What do

asked by Andrew on January 23, 2014
4. ### Statistics

data from sample of 400 cases, variable has 95% confidence interval of 54.3 to 54.7 I found the mean- how do i find standard error- step by step please. Standard error = sd/√n Note: sd = standard deviation; n = sample size.

asked by Angel on April 10, 2007
5. ### statistics

7. A sample of 40 observations is selected from one population. The sample mean is 102 and the sample standard deviation is 5. A sample of 50 observations is selected from a second population. The sample mean is 99 and the sample

asked by Barbara on February 28, 2010
6. ### Statistics

According to one pollster, 48% of people are afraid of flying. Suppose that a sample of size 20 is drawn. Find the value of standard error , the standard deviation of the distribution of sample proportions. Write only a number as

asked by Obi on October 18, 2015
7. ### Statistics

8. A sample of 65 observations is selected from one population. The sample mean is 2.67 and the sample standard deviation is .75. A sample of 50 observations is selected from a second population. The sample mean is 2.59 and the

asked by Barbara on February 28, 2010
8. ### math check

Consider the following set of data. Pairs 1 2 3 4 5 Sample A 2 8 7 9 2 Sample B 7 8 1 1 8 Find the standard deviation sd of the paired differences. (Give your answer correct to two decimal places.) My answer was 5.00.

asked by Tommy8 on June 22, 2013
9. ### 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
10. ### statistics

what are the mean and standard deviation of a sampling distribution consisting of samples of size 16? these sameples were drawn from a population whose mean is 25 and who standard deviation is 5. a. 25 and 1.25 b. 5 and 5 c. 25

asked by helga on February 1, 2009

More Similar Questions