Arbitron media research inc conducted a study of the ipod

Assignment Help Basic Statistics
Reference no: EM13636114

Arbitron Media Research Inc. conducted a study of the iPod listening habits of men and women. One facet of the study involved the mean listening time. It was discovered that the mean listening time for men was 29 minutes per day. The standard deviation of the sample of the 10 men studied was 10 minutes per day. The mean listening time for the 12 women studied was also 29 minutes, but the standard deviation of the sample was 14 minutes. At the .10 significance level, can we conclude that there is a difference in the variation in the listening times for men and women?

Reference no: EM13636114

Questions Cloud

Despite the shortcomings of the linear probability model : despite the shortcomings of the linear probability model and the advantages of the mle approach. yet the linear
What is the critical f value for a sample of four : what is the critical f value for a sample of four observations in the numerator and seven in the denominator? use a
What is the critical f value for a sample of six : what is the critical f value for a sample of six observations in the numerator and four in the denominator? use a
Find the region variable in the sampledataset using : find the region variable in the sampledataset. using sampledataset create a frequency distribution or a histogram.
Arbitron media research inc conducted a study of the ipod : arbitron media research inc. conducted a study of the ipod listening habits of men and women. one facet of the study
What is the critical f value for a sample of 7 observations : what is the critical f value for a sample of 7 observations in the numerator and 6 in the denominator? use a two-tailed
Heights of men on a baseball team have a bell shaped : heights of men on a baseball team have a bell shaped distribution with a mean of 184 cm and a standard deviation of 5
Daily demand for newspapers for the last 10 days has been : daily demand for newspapers for the last 10 days has been as follows 12 13 16 15 12 18 14 12 13 15. forecast sales for
According to the empirical rule if the data form a : according to the empirical rule if the data form a bell-shaped normal distribution what percent of the observations

Reviews

Write a Review

Basic Statistics Questions & Answers

  Set up the hypotheses for the test to determine if there

suppose that as a quality control consultant you know the population of machine operators for a corporation has a

  The distribution of mental health scores for men

6. Assuming that the distribution of Mental Health scores for men is normal, where are 99% of the men's mental health scores around the mean in this distribution? Round your answer to two decimal places.

  Members of the senate took a battery of tests to assess

members of the senate took a battery of tests to assess their abilities. in the talking as if you are saying something

  What is the probability

If a claim is randomly selected, what is the probability the person was under 25 or male?

  Completing linear programming model

Write complete linear programming model (All three parts) to find out the number of items to be transported from models A, B, C, and D to nodes 1 and 2 at minimum cost.

  Rejecting the null hypothesis at given significance level

Based on your answers to a through d, decide whether or not to reject the null hypothesis at the given significance level. Explain your conclusion in the context of the problem.

  Average utility bill in the delaware

Using α = 0.05, does this sample provide enough evidence to conclude that the average utility bill in Delaware was lower in the winter of 2011-2012 than it was in the winter of 2010-2011?

  Percentage of scores of mound-shaped-symmetric distribution

hese students obtained a mean score of 470 with a standard deviation of 40 on a standardized test. Assuming a mound-shaped and symmetric distribution, what percentage of scores exceeded 390?

  Satisfaction rating for the gaming console

Letting μ be the mean composite satisfaction rating for the gaming console, we find that the test should be H o : μ ≤ 42 versus H a :  μ > 42

  Construct hypothetical confidence interval for hypothetical

Construct a hypothetical 95% confidence interval for a hypothetical case

  A machine has 9 identical components that function

a machine has 9 identical components that function independently. the probability that a component will fail is 0.2.

  Z-test to perform required hypothesis test

Use a two proportion z-test to perform the required hypothesis test. State the conclusion.

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