How large of a sample should you get

Assignment Help Applied Statistics
Reference no: EM131762192

Practice Problems: Student data

Use the Student.xls file for the following problems:

- PRACTICE PROBLEM 1: You wish to know the average GPA of MBA students at Concordia. Compute the 95% confidence interval of the mean using the sample of 200 students. Describe your findings.

- PRACTICE PROBLEM 2: You wish to know the proportion of MBA students that are majoring in Finance. Compute the 95% confidence interval of the proportion using the sample of 200 students. Describe your findings.

- PRACTICE PROBLEM 3: You wish to learn the average age of an MBA student within 2 years and with 99% confidence. How large of a sample should you get? (Note: the standard deviation of the student ages is 8.93).

- PRACTICE PROBLEM 4: You wish to learn the proportion of MBA students that are female within 3%, and with 98% confidence. How large of a sample should you get?

Attachment:- Student Data.xls

Verified Expert

This assignment is written in word and solved in excel , it about calculating probability and using pivot tables. It is completely original work and no plagiarism is there.

Reference no: EM131762192

Questions Cloud

Probability that a canadian mother tongue is not english : Languages in Canada Canada has two official languages, English and French. Choose a Canadian at random and ask, "What is your mother tongue?"
How would you establish the existence of an outbreak : How would you establish the existence of an outbreak? What are steps or measures you will take to verify diagnosis? What will be your working case definition?
What is the probability of type ab blood : Blood types All human blood can be typed as one of O, A, B, or AB, but the distribution of the types varies a bit with race. Here is the distribution.
Assume the murrays want to accumulate a fund equal : Assume the Murrays want to accumulate a fund equal to four times the first year's tuition by the end of year
How large of a sample should you get : You wish to learn the proportion of MBA students that are female within 3%, and with 98% confidence. How large of a sample should you get?
What does the future hold for you : What does the future hold for you? While no one can see the future, we can have our own dreams and aspirations. For your final discussion, describe your future.
Write a few sentences comparing the distributions : Waiting to park (1.3, 4.2) Do drivers take longer to leave their parking spaces when someone is waiting? Researchers hung out in a parking lot.
Create a hostile work environment include sexual jokes : Create a hostile work environment include inappropriate touching, sexual jokes or comments, repeated requests for dates and a work environment.
Discuss united states has declared the area a disaster area : The President of the United States has declared the area a disaster area.

Reviews

inf1762192

6/14/2018 6:20:58 AM

Very efficient. Does exactly what you request. Gets the work completed way ahead of schedule. Timely and outstanding writer, Works professionally and does amazing papers! I will definitely work with him again.

inf1762192

1/23/2018 3:46:58 AM

Its mentioned describe so our lecturers are expecting us to describe the way to do and formulae. There was Christmas and New Year break in between that’s why we could not get the feedback from Lecturers. Our lecturer has just evaluated it and is very happy with the work.

len1762192

12/12/2017 5:55:07 AM

Solve the problem and full fill all the requirements by using the excel file which I attached. Practice Problems: Student data (Do not sub 't Use the Student.xls file for the following problems: ) Solutions are provided to practice problems so you can check your work.

Write a Review

Applied Statistics Questions & Answers

  A purchasing agent at the kelly bread company

A purchasing agent at the Kelly Bread Company wants to estimate the mean daily usage of rye flour. She takes a sample for 50 straight days and finds that the sample mean is 180 pounds with a sample standard deviation of 38.5 pounds.a.) State the 90% ..

  Is exposure to uv radiation associated with skin cancer

Is exposure to UV radiation associated with skin cancer

  An important feature of digital cameras is battery life

An important feature of digital cameras is battery life, the number of shots that can be taken before the battery needs to be recharged. The file digital cameras contains battery life information for 29 subcompact cameras and 16 compact cameras. (Dat..

  The last passenger ends up on his own seat

The last passenger ends up on his own seat?

  What is the difference in proportions in the original data

What is the difference in proportions in the original data and what is the p-value and what does it mean in terms of this specific problem

  Calculate the mean and standard deviation for ounces

Calculate the mean, median, and standard deviation for ounces in thebottles. Calculate measurements of central tendency and dispersal.

  A developer of condominium properties in the southwest

Rosenberg Land Development (RLD) is a developer of condominium properties in the Southwest United States. RLD has recently acquired a 40.625 acre site outside of Phoenix, Arizona. Zoning restrictions allow at most 8 units per acre. Three types ..

  Calculate the median for the group of results

State the five types of central tendency in general use. Which of these are most frequently used in SPC work and calculate the median for the group of results tabulated below: 1,3,4,6,7,9,11,14,16,17,18.

  Use markov''s inequality to get an upper bound

Use Markov's inequality to get an upper bound

  The authors found that in 31 patients tested negative by sr

We examined the use of heparin-PF4 ELISA screening for heparin-induced thrombocytopenia (HIT) in critically ill persons. Using C-serotonin release assay (SRA) as the way of validating HIT, the authors found that in 31 patients tested negative by SRA,..

  The marketing ethics case- conflict of interest

Assuming that the sample of 205 marketing researchers has been randomly selected. How much evidence is there that a majority of all marketing researchers disapprove of the actions taken?

  Perform two manova analyses

Perform two MANOVA analyses, a 3-Group analysis and a Factorial Design with 2-Independent variables as directed below on the HATCO dataset.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd