# Hw questions in excel | Numerical analysis homework help

1.A sample of 33 airline passengers found that the average check in time is 2.167. Based on long-term data, the population standard deviation is known to be 0.48. Find a 95% confidence interval for the mean check-in time. Please use Excel to show how you got your answer.

2. your college or university wishes to obtain reliable information about student perception of administrative communication . describe how to design a sampling plan for this situation based on your knowledge of the structure and organization of your college or university. how would you implement simple random sampling, stratified sampling and cluster sampling for this study? what would be the pros and cons of using each of these methods?(answer this qustion in excel but very short answer)

3. using sata in excel file college and university find 95% confidence intervals for the median SAT for each of the tow groups , liberal arts colleges and research universities. based on these confidence intervals , does there appear to be a difference in the median SAT scores between the groups? the excel attatced

4.if based on a sample size of 850, a political candidate finde that 458 people would vote for him in a two person race, what is the 95% confidence interval for his expected proportion of the vote? would he be confident of winning based on this poll? use the appropriate formula and verify your result using the confidence intervals workbook

5.describe how to apply stratified sampling to sample from the credit risk data file based on the different type of loans . implement your process in excel to choose a random sample consisting of 10% of the records for each type of loan.p

Pages (550 words)
Approximate price: -

Why Choose Us

Quality Papers

We value our clients. For this reason, we ensure that each paper is written carefully as per the instructions provided by the client. Our editing team also checks all the papers to ensure that they have been completed as per the expectations.

Over the years, our Acme Homework has managed to secure the most qualified, reliable and experienced team of writers. The company has also ensured continued training and development of the team members to ensure that it keep up with the rising Academic Trends.

Affordable Prices

Our prices are fairly priced in such a way that ensures affordability. Additionally, you can get a free price quotation by clicking on the "Place Order" button.

On-Time delivery

We pay strict attention on deadlines. For this reason, we ensure that all papers are submitted earlier, even before the deadline indicated by the customer. For this reason, the client can go through the work and review everything.

100% Originality

At Buy An Essay, all papers are plagiarism-free as they are written from scratch. We have taken strict measures to ensure that there is no similarity on all papers and that citations are included as per the standards set.

Our support team is readily available to provide any guidance/help on our platform at any time of the day/night. Feel free to contact us via the Chat window or support email: support@acmehomework.com.

Try it now!

## Calculate the price of your order

We'll send you the first draft for approval by at
Total price:
\$0.00

How it works?

Fill in the order form and provide all details of your assignment.

Proceed with the payment

Choose the payment system that suits you most.

Our Services

Buy An Essay has stood as the world’s leading custom essay writing services providers. Once you enter all the details in the order form under the place order button, the rest is up to us.

## Essay Writing Services

At Buy An Essay, we prioritize on all aspects that bring about a good grade such as impeccable grammar, proper structure, zero-plagiarism and conformance to guidelines. Our experienced team of writers will help you completed your essays and other assignments.