What is the research design and its variables

Assignment Help Basic Statistics
Reference no: EM13102567

A researcher wants to determine the amount of wieght loss for patients recieving a newly marketed natural supplement' Weiht is assessed at 3,6,and 9 month intervals. A sample of patients for one busy primary care practice is used as the comparison group. What is the research design and its variables?

Reference no: EM13102567

Questions Cloud

Evaluation using a chi-square test for goodness of fit : The data show that 48 of the doctors picked Brand X. If these data are evaluated using a chi-square test for goodness of fit, what is the expected frequency for Brand X?
Determining probability-random variables : Let the random variable X denote the number of emergency calls received by the campus police office each day. The probability mass function of X is given by:
How formal organizations have evolved over past century : Describe how formal organizations have evolved over past century. Write down differences were there in organizations a century ago, compared to today's organizations?
Evidence of a difference in the mean waiting time : Assuming the population variances from both offices are equal, is there evidence of a difference in the mean waiting time between the two offices? Use α = 0.05
What is the research design and its variables : A sample of patients for one busy primary care practice is used as the comparison group. What is the research design and its variables?
Experiment for binomial and poisson : Suppose you are on a test and are asked to determine whether the given experiment is binomial, Poisson, or neither. What are you going to think about to determine which test to use. Do you have a checklist? How would you approach this problem?
Make bibliography on moral-ethical issues by henry woodward : Prepare the bibliography on moral and ethical issues brought about invention of light bulbs by Henry Woodward and Mathew Evans in Toronto during the 1870s.
Surival rate for caucasians for all forms : The five year surival rate for Caucasians for all forms increased from 37% in 1960 to 58% now. Express this change in two ways (1) as an absolute difference in terms of percentage points and (2) as a relative difference in terms of percent.
Procedures to determine the ethical component : Determine the ethical component in each example? How do you think about it? Do you believe the procedures described are finally acceptable or unacceptable?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability of drawing ball from urn

If you draw one ball from the urn what is the probability that it is blue or white?

  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

  Computing t value and global f ratio

Is global F ratio significant? Identify this F ratio, and describe whether it is important.Is coefficient for X1 (productivity) significant?  How do you know?  Mention its t value and accompanying P-value.

  Interval or ratio level of measurement

When we have data that are measured at the interval/ratio level of measurement, there are:

  Question based on multiple regression

Multiple choice question based on multiple regression - The coefficient of determination for this model is

  Random sample of five items from a recent shipment

Reynolds Electronics accepts a lot from a particular supplier if the defective components in the lot do not exceed 1%. Suppose a random sample of five items from a recent shipment is tested.

  Forecasting of sports apparel company

Forecasting: The sales data for the lone star Sports Apparel Company for the last 12 years are as follows: What is the 2001- 2012 compound growth rate?

  Decision to do a hypothesis test

Suppose the population is normally distributed they make a decision to do a hypothesis test.

  Determination in regression analysis

What is the percentage of variation in the dependent variable explained by the variation in the independent variable.

  Describe hyper-geometric distribution

What is the probability that two of absent students were girls.What is the probability that two of absent students were boys.

  Hr statistical data analysis and evaluation

Identify the types of processes and analyses used in HR that use data analysis and evaluation. Discuss generally how statistics can be used in hiring, turnover, performance management, training, culture assessments, and other dashboard indicators ..

  Production batch size for a direct labour cost

Determine pearsons correlation coefficient and comment on the value obtained. Obtain a regression equation representing the above data. Estimate the production batch size for a direct labour cost of R350-00.

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