Question

Assume that population means are to be estimated from the samples described. Use the sample results...

Assume that population means are to be estimated from the samples described. Use the sample results to approximate the margin of error and​ 95% confidence interval. Sample size- 1,042 Sample mean - 46,245 Standard Deviation- 26,000

1-The margin of error is

2-Find the​ 95% confidence interval.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Assume that population means are to be estimated from the samples described. Use the sample results...
Assume that population means are to be estimated from the samples described. Use the sample results to approximate the margin of error and​ 95% confidence interval. Sample size=1,048​, sample mean=​$46,209​, sample standard deviation=​$21,000 The margin of error is $ __
Assume that population mean is to be estimated from the sample described. Use the sample results...
Assume that population mean is to be estimated from the sample described. Use the sample results to approximate the margin of error and​ 95% confidence interval. Sample​ size, n=64​; sample​ mean, x overbare=83.0 ​cm; sample standard​ deviation, s=4.0 cm. The margin of error is ____ cm. ​(Round to one decimal place as​ needed.)
Assume that population mean is to be estimated from the sample described. Use the sample results...
Assume that population mean is to be estimated from the sample described. Use the sample results to approximate the margin of error and​ 95% confidence interval. n=49​, x=56.1 ​seconds, s=5.1 seconds
Assume that population proportion is to be estimated from the sample described. Use the sample results...
Assume that population proportion is to be estimated from the sample described. Use the sample results to approximate the margin of error and​ 95% confidence interval. n=560, p-0.65 Round to four decimal places as needed.
Assume that population mean is to be estimated from the sample size n =100, Sample mean...
Assume that population mean is to be estimated from the sample size n =100, Sample mean x = 76.0cm, standard deviation s = 4.0cm. Use the results to approximate the margin of error and 95% confidence interval.
Use the formula to find the standard error of the distribution of differences in sample means,...
Use the formula to find the standard error of the distribution of differences in sample means, . Samples of size  120 from Population 1 with mean  87 and standard deviation  14 and samples of size  85 from Population 2 with mean  71 and standard deviation  17 Round your answer for the standard error to two decimal places. standard error =
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?
Use the formula to find the standard error of the distribution of differences in sample means,...
Use the formula to find the standard error of the distribution of differences in sample means, x¯1-x¯2 . Samples of size 50 from Population 1 with mean 4.0 and standard deviation 1.6 and samples of size 50 from Population 2 with mean 1.5 and standard deviation 1.2 Round your answer for the standard error to two decimal places. standard error = Enter your answer in accordance to the question statement
The following results are for independent random samples taken from two populations. Sample 1 Sample 2...
The following results are for independent random samples taken from two populations. Sample 1 Sample 2 n1 = 40 n2 = 50 x1 = 32.2 x2 = 30.1 s1 = 2.6 s2 = 4.3 (a) What is the point estimate of the difference between the two population means? (b) What is the degrees of freedom for the t distribution? (c) At 95% confidence, what is the margin of error? (d) What is the 95% confidence interval for the difference between...
Given two dependent random samples with the following results: Population 1 41 33 18 34 42...
Given two dependent random samples with the following results: Population 1 41 33 18 34 42 39 50 Population 2 50 29 29 28 47 24 44 Use this data to find the 95% confidence interval for the true difference between the population means. Assume that both populations are normally distributed. Step 1 of 4: Find the point estimate for the population mean of the paired differences. Let x1 be the value from Population 1 and x2 be the value...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT