MATH
posted by Inferences from Dependent Samples .
Working on "Inferences from Dependent Samples" trying to find the standard deviation of the difference data.
Differences: 24, 53, 100, 40, 10,71,77,70, 39, 50
n=10
d=51.4
sd=??? (Answer suppose to be 30.8336 but not coming close to this number at all)
Respond to this Question
Similar Questions

math
You are given the following: there are 27 pieces of data mean is 60 standard deviation is 25 You realize that one of the pieces of data is inputted wrong..... it was a 25, but it is suppose to be 52.... find the actual mean and standard … 
statistics
Question 1 Question 1 1. Question 1 text The head of the History Department wants to compare the averages of 2 different instructorâ€™s to see if they differ. A sample of 15 students in Instructor Aâ€™s class has average … 
Math
Roughly speaking, the standard deviation indicates how far, on average, the observations are from the mean. Do you think that for the data set below the standard deviation will give a good indication of the typical deviation from the … 
Standard Deviation
On standard IQ tests, the mean is 100 and the standard deviation is 16. The results are very close to fitting a normal curve. Suppose an IQ test is given to a very large group of people. Find the percent of people whose IQ score is … 
Statistics
On standard IQ tests, the mean is 100 and the standard deviation is 13. The results are very close to fitting a normal curve. Suppose an IQ test is given to a very large group of people. Find the percent of people whose IQ score is … 
statistics
Working on "Inferences from Dependent Samples" trying to find the standard deviation of the difference data. Differences: 24, 53, 100, 40, 10,71,77,70, 39, 50 n=10 d=51.4 sd=? 
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. 
Statistics
In an essay of 250500 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? 
Math
Consider the following data set: 27,49,15,43,35,57,13,73,23,31,32,41,61, 39,7. Suppose that you graph this data, with bins of size 10, with the first bin starting 1 below the smallest value in your data. What is the range approximation … 
probability and statistics
Suppose every student in your class got a score of 85% on an exam. What are the mean and standard deviation of those exam scores without doing any calculations?