Difference between before and after scores

Assignment Help Basic Statistics
Reference no: EM132409145

A study was conducted to measure the effectiveness of a diet program that claims to help manage weight. Subjects were randomly selected to participate. Before beginning the program, each participant was given a score based on his or her fitness level. After six months of following the diet, each participant received another score. The study wanted to test whether there was a difference between before and after scores. What is the correct alternative hypothesis for this analysis?

Reference no: EM132409145

Questions Cloud

Calculate the chi-square statistic : Calculate the chi-square statistic? Recalculate the chi-square statistic with twice the number of subjects?
Calculate cramer phi for data : Calculate Cramer's phi for these data. What can you say about the strength of the relationship between the two variables?
Decision variables in the linear programming situation : What are the decision variables in the linear programming situation? Write the equation of objective function which has to be maximized?
Evolution and scientists : A professor claims that more than 78% of all scientists believe in non-theistic evolution. In a 2014 Pew Research survey of a representative sample
Difference between before and after scores : The study wanted to test whether there was a difference between before and after scores. What is the correct alternative hypothesis for this analysis?
Legislative bureau tell the legislators : There were 19 vehicles with failed emission tests. Based on these data, what can the Legislative Bureau tell the legislators?
What is the standard deviation of supermarket : What is the standard deviation of this supermarket's daily sale on coffee products (coffee and cream combined)? Show all your work.
Evaluate the hypothesis of colonel george : Twelve parstroopers are injured. Present a hypothesi, a null hypothesis, and evaluate the hypothesis.
What is the only type of error you could possibly make : Part 1) If you reject Ho, what is the only type of error you could possibly make? Part 2) If you fail to reject Ho, what is the only type of error you could po

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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