Question on anova in minitab

Assignment Help Basic Statistics
Reference no: EM1397642

Samples are shown of volatility (coefficient of variation) for sector stocks over a certain period of time.

(a) At α = .05, is there a difference in median volatility in these four portfolios? Use Mega-Stat, MINITAB, or a similar computer package for the calculations.

(b) Use one-factor ANOVA to compare the means. Do you reach the same conclusion?

(c) Make a histogram or other display of each sample. Would you be willing to assume normality?

Health Energy Retail Leisure

14.5 23.0 19.4 17.6

18.4 19.9 20.7 18.1

13.7 24.5 18.5 16.1

16.9 24.2 15.5 23.2

16.2 19.4 17.7 17.6

21.6 22.1 21.4 25.5

25.6 31.6 26.5 24.1

21.4 22.4 21.5 25.9

26.6 31.3 22.8 25.5

19.0 32.5 27.4 26.3

12.6 12.8 22.0 12.9

13.5 14.4 17.1 11.1

13.5 24.8 4.9

13.0 13.4

13.6

Reference no: EM1397642

Questions Cloud

Select any sector and identify emerging opportunities : Select any sector and identify emerging opportunities and challenges for your sector in general and for your organisation in particular
Psychological research situation : Describe a psychological research situation or scenario that would use a nonparametric test. Why would the nonparametric test be used?
Alternatives and a recommendations for implementation : Analysis as to the issues involved decisions and alternatives and a recommendations for implementation.
Deliberate the options that might be used to reduce : Deliberate the options that might be used to reduce the influence of these scenarios on departing employees and the remaining employees
Question on anova in minitab : Samples are shown of volatility (coefficient of variation) for sector stocks over a certain period of time.
Differentiating between arthropods : The phylum Arthropoda includes four major lineages: cheliceriforms (also called chelicerates); myriapods; insects and their relatives (together called hexapods); and crustaceans.
Information developed in the employer''s business : When Mohammed was hired by Pomico, Inc., he signed the following agreement, Upon termination of my employment with Pomico, I decide not to work for a competing company within 30 miles of Pomico's headquarters for one year
What are the chief kinds of omm costs companies have : Select three companies as well as observe how employees do their tasks. These can be three different fast-food restaurants or three completely different types of companies, such as a fast-food restaurant, a department store or the emergency room o..
Discuss possible adaptive advantages of two strategies : Females of most mammalian species have estrus cycles instead of menstrual cycles. Such females usually come into estrus only once a year, generally in the spring.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Mean time difference-sampling time

Below are the sample times in minutes. At the .05 significance level, can we conclude that there is a difference in their mean times?

  Probability of stopping at all stops

The probability she must stop at at least one of the last two signals is 0.8. Finally, the probability she must stop at at least one of the first and third Signals is also 0.8.

  Hypothesis test-analysis of variance

To test whether or not there is a difference between treatments A, B, and C, a sample of 12 observations has been randomly assigned to the 3 treatments. You are given the results below.

  Concepts of analysis of variance

The original concepts of analysis of variance came from the work of Sir Ronald A. Fisher, an English statistician. This technique, better known as ANOVA, has become one of the most commonly used research methods for testing differences among sever..

  Relevance of pearson

What is the relevance of Pearson's r? What does it tell you about the correlation between variables? What is one example of a null hypothesis and the research hypothesis that goes with it?

  Finding the maximal expected utility

Your objective is to maximize the expected utility of your final fortune (after 4 bets). If you are a log-utility investor, determine the optimal policy and find the maximal expected utility.

  Sentiment for increasing the speed limit

Does this data indicate that the sentiment for increasing the speed limit is different for the two groups of residents? Let p1 refer to the urban population.

  Sample size calculation-confidence interval

An investment firm with 10,000 clients would like to accurately forecast the average dollar amount their current customer will deposit over the coming year.

  Fitting of simple linear regression equation

Fitting of simple linear regression equation - Given the student population for a school district over the past few years, find the prediction equation for this data.

  Report the known project with all information

What is the population from which your sample has been taken? Description of data taken from other sources. Preliminary analysis using histograms, box plots, scatter plots, etc. and investigation of outliers. Do you keep or discard identified outl..

  Theoretical background of one way analysis

This activity is a revision of an activity found in Real Data: A Statistics Workbook Based on Empirical Data by Z. C Holcomb (1997). Published by Pyrczak Publishing.

  Determining normally distributed data

36 values given here are based on summary statistics from research by cumming. Do you think that these data are normally distributed?

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