Conduct a hypothesis test to determine

Assignment Help Basic Statistics
Reference no: EM131822675

Marketing companies have collected data implying that teenage girls use more ring tones on their cellular phones than teenage boys do. In one particular study of 40 randomly chosen teenage girls and boys (20 of each) with cellular phones, the mean number of ring tones for the girls was 3.2 with a standard deviation of 1.5. The mean for the boys was 1.7 with a standard deviation of 0.8. Conduct a hypothesis test to determine if the means are approximately the same or if the girls' mean is higher than the boys' mean.

Reference no: EM131822675

Questions Cloud

Compute net income percent of average assets : Income Ratios and Asset Turnover Briggs & Stratton is the world's largest producer of air-cooled gasoline engines for outdoor power equipment.
Determining the percent of hispanic students : A recent year was randomly picked from 1985 to the present. In that year, there were 2051 Hispanic students at Cabrillo College out of a total of 12,328 student
Should jim be placed on transplant list again for new liver : Should Jim be placed on the transplant list again for a new liver? If you were on the ethic committee, what questions would you have or want answered in case
How would you start the gim planning process with the client : Explain one practice behavior skill you might use to ensure the treatment planning process is mutually agreed upon for you and the client.
Conduct a hypothesis test to determine : Conduct a hypothesis test to determine if the means are approximately the same or if the girls' mean is higher than the boys' mean.
Percent of women who enjoy shopping : While her husband spent 2½ hours picking out new speakers, a statistician decided to determine whether the percent of men who enjoy
Define nature of the company for the differences in ratios : As a group, list two possible reasons that each ratio differs across the selected companies. Focus on comparing the companies with the highest and lowest values
Design a program that calculates and displays a persons bmi : Design a program that calculates and displays a person's body mass index (BMI). Internal documentation, using block and/or line comments.
Educational computer software costs less : We are interested in whether children's educational computer software costs less, on average, than children's entertainment software

Reviews

Write a Review

Basic Statistics Questions & Answers

  Distribution of the number of cases of tetanus

In a certain country, the distribution of the number of cases of tetanus reported during a single month is Poisson with parameter lambda=6.5. If we are going to draw a sample of size 60 from this population and calculate the sample mean, what is t..

  Manufacture of a certain component requires three different

manufacture of a certain component requires three different machining operations. machining time for each operation has

  Calculate the correlation coefficient for the given data

Calculate the correlation coefficient for the given data? Interpretation of the correlation coefficient?

  Probability related to computer password

A computer password consists of four characters. The characters can be one of the 26 letters of the alphabet. Each character may be used more than once.

  Uses of the multivariate normal distribution

1. What are the uses of the multivariate normal distribution? Why is it needed? 2. How many discriminant functions may be found signi?cant in classifying an observation into one of four groups?

  What is the asymptotic distribution of estimation

Let X be the number of successes at UZ. What is the distribution of X? What is the asymptotic distribution of your estimate from (d)?

  Fish oil staves off schizophrenia

The article "Fish Oil Staves Off Schizophrenia" (USA Today, February 2, 2010) describes a study in which 81 patients age 13 to 25 who were considered

  What is the null hypothesis equation for this experiment

A researcher wants to determine if different forms of regular exercise alter HDL levels in obese middle aged males between the ages of 35 and 45. What is the null hypothesis equation for this experiment

  Hurricane devastation in the united states

2005 was a record year for hurricane devastation in the United States (San Luis Obispo Tribune, November 30, 2005). Of the 26 tropical storms and hurricanes

  Randomly selected gamer plays games online and is male

Fifty-six percent of electronicgamers play games online, and sixty-four percent of thosegamers are female.

  Suppose a random variable x has density fx c x 3 if x

suppose a random variable x has density fx c x 3 if x equal or great than 10 else where c is a constant.a what is the

  Use inductive reasoning to answer if you add two

use inductive reasoning to answer. if you add two consecutive triangular numbers what kind of figurate number do you

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