In order to evaluate the effect of a drug over a disease a pharmaceutical company wants to perform a study […]
Category: Statistics
What you would do to improve the internal consistency.
QUESTION This attached data set provides responses of 2571 students on a recently developed Anxiety Questionnaire intended to be used […]
What is your DV and your IVs?
Explain this regression analysis IN DETAIL. Your explanation shouldinclude:a) the null and alternative hypothesesb) the coefficients estimates (value and direction)c) […]
What is the Null Hypothesis that is being tested here with the Chi-square test? What is the Alternative or Research Hypothesis?
Statistics Question 1. What is the Null Hypothesis that is being tested here with the Chi-square test? What is the […]
Construct and display a scatter plot using the vaccination and deaths per thousand variables. Which should you put on the y-axis? Why?
1. From the Oregon Health Authority we have numbers for deaths attributable to the virus. We also have the proportion […]
What portion of the individuals developing CHD had low anger personalities? High anger personalities?
1. A study of personality and heart disease followed a large random sample of individuals for four years. At the […]
Find the missing value of X, rounded to the nearest integer. Hint: You will need the quadratic formula!
Discrete Variable/Normal Distribution Challenge Worksheet1. A discrete random variable X has the probability distribution shown below, with one value missing. […]
Does SNAP’s food benefits improve the food security status for program participants or not?
Main Research Question: Supplemental Nutrition Assistance Program (“SNAP”) Leads to Modest Changes in Food Security of Low-income Group 2-3 […]
How would you conduct a poll on this subject differently? Include supportive information where appropriate.
As statisticians in training, we need to learn the professionalism of interpreting data for the general public without distorting the […]
What role could sampling have played in determining these results?
Determine the following information for the selected poll results and include in your post: URL for the website Using your […]