The Morningstar mutual-fund rating system ranks mutual funds, using one to five stars.  The stars divide the mutual-fund performances into quintiles: that is, a mutual fund with a one-star rating is in the bottom 20% of mutual funds in its category, a mutual fund with two-stars is in between the 21st and 40th percentile, and so on.  These data can be found at: Top-Performing Mutual Funds by Category MorningStar yahoo.com/funds.html   Obtain a random sample of at least 15 mutual funds from each investment category.  Determine the 3 years rate of return for each fund.   Obtain a 95% confidence interval for the difference between the mean rates of return.  Interpret the interval.     Write a report detailing which investment category seems superior. Write a report (4-5 paragraphs) with supporting data supporting your conclusion.  Take a screen shot of the results from Excel and paste them into your Word document.   Additionally write a report (2-3 paragraphs) saying what you would invest your $10,000 inheritance in. Would you invest it all in the fund you found superior or would you diversify it across multiple funds? Please explain which funds out of your random sample you would invest in and the rationale for investing in each one.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Topic Video
Question

The Morningstar mutual-fund rating system ranks mutual funds, using one to five stars.  The stars divide the mutual-fund performances into quintiles: that is, a mutual fund with a one-star rating is in the bottom 20% of mutual funds in its category, a mutual fund with two-stars is in between the 21st and 40th percentile, and so on.  These data can be found at:

  • Top-Performing Mutual Funds by Category
  • MorningStar
  • yahoo.com/funds.html

 

  1. Obtain a random sample of at least 15 mutual funds from each investment category.  Determine the 3 years rate of return for each fund.

 

  1. Obtain a 95% confidence interval for the difference between the mean rates of return.  Interpret the interval.  

 

  1. Write a report detailing which investment category seems superior. Write a report (4-5 paragraphs) with supporting data supporting your conclusion.  Take a screen shot of the results from Excel and paste them into your Word document.

 

  1. Additionally write a report (2-3 paragraphs) saying what you would invest your $10,000 inheritance in. Would you invest it all in the fund you found superior or would you diversify it across multiple funds? Please explain which funds out of your random sample you would invest in and the rationale for investing in each one.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 7 steps

Blurred answer
Knowledge Booster
Hypothesis Tests and Confidence Intervals for Means
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman