To What extent do the ages of MI patients vary by gender? Information on data set to include in your description Which variables are you investigating? Identify each variable […]
Statistics
The one alternative that best completes the statement
Choose the one alternative that best completes the statement or answers the question. 1) “No shows” are the people with reservations who fail to arrive. The following table shows the […]
Checking for Quality
You are in the real estate business focused on the housing market. You have been hired by the government to see if prices are in control for homes with […]
The absence of data screening
How might the absence of data screening affect a researcher’s data quality, their interpretations of the data, and thereby their interpretations of their study’s findings? What quantitative rule may be […]
DATA SCREENING BASICS
If given an extremely non-normal empirical frequency distribution, does it make sense for a researcher to find the percentile rank using the z score and the standard normal distribution table? […]
The variance and standard deviation
A. Use the following population data to complete the next two questions: 50, 62.5, 37.5, 75.0, 45.0, 47.5, 15.0, 25.0 What is the mean? What are the variance and standard […]
Black Lives Matter (BLM)
A researcher is interested in whether attitudes about Black Lives Matter (BLM) differ between white Democrat survey respondents and Latinx Democrat survey respondents. To measure attitudes toward BLM, the researcher […]
Central limit theorem
Why is the central limit theorem important in statistics? What does the central limit theorem inform us about the sampling distribution of the sample means?
The normal curve
• Describe the characteristics of the normal curve and explain why the curve, in sample distributions, never perfectly matches the normal curve. • Why is the […]
The reasons leaders study statistics
One of the reasons leaders study statistics is so they are better equipped to demonstrate ability to critically analyze research, methods used and results presented by researchers. […]