Question

Cαlculαte the 95% cοnfidence intervαl fοr the difference (mu1-mu2) οf twο pοpulαtiοn meαns given the fοllοwing...

Cαlculαte the 95% cοnfidence intervαl fοr the difference (mu1-mu2) οf twο pοpulαtiοn meαns given the fοllοwing sαmpling results. Pοpulαtiοn 1: sαmple size = 13, sαmple meαn = 33.74, sαmple stαndαrd deviαtiοn = 4.52. Pοpulαtiοn 2: sαmple size = 9, sαmple meαn = 16.28, sαmple stαndαrd deviαtiοn = 3.04.

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Calculate the 95% confidence interval for the difference (mu1-mu2) of two population means given the following...
Calculate the 95% confidence interval for the difference (mu1-mu2) of two population means given the following sampling results. Population 1: sample size = 18, sample mean = 26.66, sample standard deviation = 1.04. Population 2: sample size = 15, sample mean = 10.79, sample standard deviation = 1.71.
Calculate the 99% confidence interval for the difference (mu1-mu2) of two population means given the following...
Calculate the 99% confidence interval for the difference (mu1-mu2) of two population means given the following sampling results. Population 1: sample size = 9, sample mean = 14.42, sample standard deviation = 0.47. Population 2: sample size = 14, sample mean = 10.78, sample standard deviation = 1.69.
Calculate the 99% confidence interval for the difference (mu1-mu2) of two population means given the following...
Calculate the 99% confidence interval for the difference (mu1-mu2) of two population means given the following sampling results. Population 1: sample size = 12, sample mean = 20.36, sample standard deviation = 0.57. Population 2: sample size = 7, sample mean = 16.32, sample standard deviation = 0.85.
When testing mu or the difference of means mu1 minus mu2 from independent populations, how do...
When testing mu or the difference of means mu1 minus mu2 from independent populations, how do we decide whether to use the standard normal distribution or a Student’s t distribution?
Consider a utility function u(x1,x2)u(x_1, x_2) where: MU1=2x11x42MU_1 = 2x_1^{1} x_2^{4} MU2=4x21x32MU_2 = 4x_1^{2} x_2^{3} The...
Consider a utility function u(x1,x2)u(x_1, x_2) where: MU1=2x11x42MU_1 = 2x_1^{1} x_2^{4} MU2=4x21x32MU_2 = 4x_1^{2} x_2^{3} The consumer with this utility function is consuming an optimal bundle (x∗1,x∗2)=(4,6)(x_1^*, x_2^*) = (4, 6) when the price of good 1 is p1=2p_1 = 2. What is the consumer’s income?
A vitamin K shot is given to infants soon after birth. Nurses at Northbay Healthcare were...
A vitamin K shot is given to infants soon after birth. Nurses at Northbay Healthcare were involved in a study to see if how they handle the infants could reduce the pain the infants feel ("SOCR data nips," 2013). One of the measurements taken was how long, in seconds, the infant cried after being given the shot. A random sample was taken from the group that was given the shot using conventional methods (first table), and a random sample was...
Given two independent random samples with the following results: n1=9    n2=13 x‾1=153 x‾2=113 s1=30   ...
Given two independent random samples with the following results: n1=9    n2=13 x‾1=153 x‾2=113 s1=30    s2=26 Use this data to find the 95% confidence interval for the true difference between the population means. Assume that the population variances are not equal and that the two populations are normally distributed. Copy Data Step 2 of 3 : Find the margin of error to be used in constructing the confidence interval. Round your answer to six decimal places.
Use forward and backward difference approximations of O(h) and a centered difference approximation of O(h^2 )...
Use forward and backward difference approximations of O(h) and a centered difference approximation of O(h^2 ) to estimate the first and second derivatives of f(x)= 0.4x^5 ‐0.2x^3 +6x^2 ‐13 at x=2 using a step size h=1. Repeat the computation using h values of 0.5, 0.25, and 0.1. Compare your results with the exact derivative value at x=2.
Use the t-distribution to find a confidence interval for a difference in means μ1-μ2 given the...
Use the t-distribution to find a confidence interval for a difference in means μ1-μ2 given the relevant sample results. Give the best estimate for μ1-μ2, the margin of error, and the confidence interval. Assume the results come from random samples from populations that are approximately normally distributed. A 95% confidence interval for μ1-μ2 using the sample results x¯1=5.1, s1=2.4, n1=11 and x¯2=4.5, s2=2.5, n2=8 Best estimate = ? Margin of error = ? Confidence interval: ____ to _____
Given the mean of the difference scores is 7.0, standard deviation of the difference scores is...
Given the mean of the difference scores is 7.0, standard deviation of the difference scores is 2.8, and there were 25 in the sample, solve for the following problems, showing all work to receive full credit: 6) Solve for the standard error of the difference scores: Work: Answer: 7) Calculate the correlated-groups t test to determine the tobt. Work: Answer: 8) If this is a non-directional test, what is the t cv? (No work needed) Answer: Identify the statistical test...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT