Research hypothesis with mean differences

Assignment Help Basic Statistics
Reference no: EM13108715

I'm trying to write a research hypothesis for the following:

Pedro wants to know if the weight loss of his group on the chocolate-only diet is representative of weight loss in a large population of middle aged men.

Reference no: EM13108715

Questions Cloud

Which of the regulatory mechanisms is most important : During hemorrhagic shock in which blood pressure is decreased, which of the regulatory mechanisms is most important is increasing cardiac output to help maintain blood pressure?
Statistical t-tests for means : The publisher of Celebrity Living claims that the mean sales for personality magazines that feature people such as Angelina Jolie or Paris Hilton are 1.5 million copies per week.
Distinguish between the use of lipids, carbohydrates : A cell can use many kinds of organic molecules as fuel for cellular respiration. Distinguish between the use of lipids, carbohydrates and proteins.
Why are the hospitalized patients more at risk for utis : Why are the hospitalized patients more at risk for UTIs? Which are some of the most common nosocomial infections other than UTIs and why is it hard to treat them?
Research hypothesis with mean differences : Pedro wants to know if the weight loss of his group on the chocolate-only diet is representative of weight loss in a large population of middle aged men.
Make a table comparing the corresponding chemoautothroph : Note that chemoautotroph bacteria has a an opposite counterpart in heterotroph bacteria that use anaerobic respiration ( have an electron aceptor an inorganic compound different from oxygen).
Statistics problem on random sample : In a random sample of 800 customers selected for a short phone interview, 96 have stated that they have received their shipments late. The company's claim is that the percentage of late shipments is at or below 10%.
Case study - sudson washer and dryer service : Sudson Washer and Dryer Service is in the business of leasing used washers and dryers to apartment landlords for a contracted lease term. The coin-operated machines are used by apartment tenants.
Conclude that humidity significant effect-eating behavior : Can researcher conclude that humidity has significant effect on eating behavior? Use a two-tail test with α = .05. Calculate estimated Cohen's d and r2 to measure size of treatment effect.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Whether mean is greater than large sample test

To determine whether the mean is greater than 16 ounces using large sample test.

  Expected value for binomial distribution

If the basket ball player is a 74% free throw shooter, then, on average, how many free throws will he or she make in a game with eight free throw attempts?

  To describe the distribution using box-plot and histogram

Explain the effect outliers can have on the analysis of the center of this data set.  Based on the box-plot and histogram you created for problem 1, do there appear to be any outliers?

  Testing the claim by using the drug experienced relief

In a clinical study of an allergy drug, 108 of the 203 subjects reported experiencing significant relief from their symptoms. Using a significance level of .01, test the claim that more than half of all those using the drug experienced relief.

  Soft drinks a vending machine automatically pours

Soft Drinks a vending machine automatically pours soft drinks into cups. As the amount of soft drink dispensed into a cup is normally distributed

  Determine statement to make about given range

When we take the sample of 100 of these average is $500 and SD is $100. (a) Determine statement to make about range $300 to $700?

  Approximation the total number and bound on the error

A company auditor was interested in estimating the total number of travel vouchers that were incorrectly filed. In a SRS of size n =50 oft of the group of N = 250, were filed incorrectly.

  Survey of women in a certain country

In a survey of women in a certain country (ages 20-29), the mean height was 62.9 inches with a standard deviation of 2.81 inches.

  Basic assumption of multiple regression analysis

The appropriate use of multiple regression depends on being able to make four basic assumptions about the data being used to develop the regression model:

  Average amount of output for shift workers

Suppose a firm evaluates the productivity of the three shifts of workers who work in their factory. Each shift's performance is measured based on the amount of output that is produced during the shift - day, evening, or swing shift.

  Mean squares and population variance

What is the value of the mean square for error (the "within groups" mean square that would be reported in the ANOVA test, and what is the value of the mean square for treatments (the "between groups" mean sqaure) that would be reported in the ANOVA ..

  Example on permutation tests

What can we conclude from this summary, Which of the following statements is correct and In which of the following situations would permutation tests be suitable

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