math check
posted by Glenn D .
Find the 95% confidence interval for the difference between two means based on this information about two samples. Assume independent samples from normal populations. (Use conservative degrees of freedom.) (Give your answers correct to two decimal places.)
Sample Number Mean Std. Dev.
1 27 39 21
2 16 26 35
Lower Limit 7.02 .
Upper Limit 33.02 .

math check 
Kuai
Those answer are wrong.
Conservative degrees of Freedom mean that you could use small number. Df = 15
T table
Respond to this Question
Similar Questions

bus stats
Given the following information about a hypothesis test of the difference between two means based on independent random samples, what is the standard deviation of the difference between the two means? 
Statistics
Which of the following conditions doesn't need to be met before you can use a twosample procedure? 
Statistics
Which of the following conditions doesn't need to be met before you can use a twosample procedure? 
math
Can someone give me the formula to work this out, I am not sure. Find the value of t for the difference between two means based on an assumption of normality and this information about two samples. (Use sample 1  sample 2. Give your … 
math help
Find the 95% confidence interval for the difference between two means based on this information about two samples. Assume independent samples from normal populations. (Use conservative degrees of freedom.) (Give your answers correct … 
math
Find the 95% confidence interval for the difference between two means based on this information about two samples. Assume independent samples from normal populations. (Use conservative degrees of freedom.) (Give your answers correct … 
Math
Find the value of t for the difference between two means based on an assumption of normality and this information about two samples. (Use sample 1  sample 2. Give your answer correct to two decimal places.) Sample Number Mean Std. … 
Math
Find the value of t for the difference between two means based on an assumption of normality and this information about two samples. (Use sample 1  sample 2. Give your answer correct to two decimal places.) Sample Number Mean Std. … 
Statistics
Find the 99% confidence interval for the difference between two means based on this information about two samples. Assume independent samples from normal populations. (Use conservative degrees of freedom.) (Give your answers correct … 
Statistics
Find the 99% confidence interval for the difference between two means based on this information about two samples. Assume independent samples from normal populations. (Use conservative degrees of freedom.) (Give your answers correct …