Question

Consider the following data for two independent random sample taken from two normal populations with equal...

Consider the following data for two independent random sample taken from two normal populations with equal variances. Find the 99% confident interval for u1 and u2. Sample 1 ( 7,11,9,12,10,5) Sample 2 (11,15,12,8,10,13) can you help me find the left and right endpoints ?

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
consider the following results frmo two independent random samples taken from two populations. assume that the...
consider the following results frmo two independent random samples taken from two populations. assume that the variances are NOT equal. Population 1 population 2 sample size 50 50 sample mean 35 30 sample variance 784 100 a) what is the "degrees of freedom" for these data? b) what is the 95% confidence interval difference of the population means?
Consider the following data for two independent random samples taken from two normal populations. Sample 1...
Consider the following data for two independent random samples taken from two normal populations. Sample 1 10 7 13 7 9 8 Sample 2 8 7 8 4 6 9 (a)Compute the two sample means. Sample 1: Sample 2: (b)Compute the two sample standard deviations. (Round your answers to two decimal places.) Sample 1: Sample 2: (c) What is the point estimate of the difference between the two population means? (Use Sample 1 − Sample 2.) (d) What is the...
Consider two populations. A random sample of 28 observations from the first population revealed a sample...
Consider two populations. A random sample of 28 observations from the first population revealed a sample mean of 40 and a sample standard deviation of 12. A random sample of 32 observations from the second population revealed a sample mean of 35 and a sample standard deviation of 14 (a) Using a .05 level of significance, test the hypotheses Ho : U1 - U2 = 0 and H1 : U1 - U2 =/ (not equal to) 0 respectively. Explain your...
Consider the following results for two independent random samples taken from two populations. Sample 1 Sample...
Consider the following results for two independent random samples taken from two populations. Sample 1 Sample 2 n 1 = 40 n 2 = 30 x 1 = 13.4 x 2 = 11.9 σ 1 = 2.3 σ 2 = 3.2 What is the point estimate of the difference between the two population means? (to 1 decimal) Provide a 90% confidence interval for the difference between the two population means (to 2 decimals). Use z-table. ( , ) Provide a...
{Exercise 10.01 Algorithmic} Consider the following results for two independent random samples taken from two populations....
{Exercise 10.01 Algorithmic} Consider the following results for two independent random samples taken from two populations. Sample 1 Sample 2 n1 = 50 n2 = 30 x1 = 13.1 x2 = 11.2 σ1 = 2.1 σ2 = 3.2 What is the point estimate of the difference between the two population means? Provide a 90% confidence interval for the difference between the two population means (to 2 decimals). Provide a 95% confidence interval for the difference between the two population means...
Consider the following data from two independent samples with equal population variances. Construct a 90% confidence...
Consider the following data from two independent samples with equal population variances. Construct a 90% confidence interval to estimate the difference in population means. Assume the population variances are equal and that the populations are normally distributed. x1 = 37.1 x2 = 32.2 s1 = 8.9 s2 = 9.1 n1 = 15 n2 = 16
Consider the following results for independent random samples taken from two populations. Sample 1 Sample 2...
Consider the following results for independent random samples taken from two populations. Sample 1 Sample 2 n 1 = 20 n 2 = 40 x 1 = 22.1 x 2 = 20.9 s 1 = 2.4 s 2 = 4.7 What is the point estimate of the difference between the two population means (to 1 decimal)? What is the degrees of freedom for the t distribution (round down your answer to nearest whole number)? At 95% confidence, what is the...
Consider the following results for independent random samples taken from two populations. Sample 1 Sample 2...
Consider the following results for independent random samples taken from two populations. Sample 1 Sample 2 n 1 = 10 n 2 = 30 x 1 = 22.5 x 2 = 20.5 s 1 = 2.5 s 2 = 4.6 What is the point estimate of the difference between the two population means (to 1 decimal)? What is the degrees of freedom for the t distribution (round down your answer to nearest whole number)? At 95% confidence, what is the...
Consider the following results for independent random samples taken from two populations. Sample 1 Sample 2...
Consider the following results for independent random samples taken from two populations. Sample 1 Sample 2 n 1 = 10 n 2 = 30 x 1 = 22.5 x 2 = 20.5 s 1 = 2.5 s 2 = 4.6 What is the point estimate of the difference between the two population means (to 1 decimal)? What is the degrees of freedom for the t distribution (round down your answer to nearest whole number)? At 95% confidence, what is the...
Two random samples are selected from two independent populations. A summary of the samples sizes, sample...
Two random samples are selected from two independent populations. A summary of the samples sizes, sample means, and sample standard deviations is given below: n1=41, n2=44, x¯1=52.3, x¯2=77.3, s1=6 s2=10.8 Find a 96.5% confidence interval for the difference μ1−μ2 of the means, assuming equal population variances. Confidence Interval =
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT