Now that we have reached the end of the class, I would like each of you to think back about all of the information covered during the term. What statistical concept/technique do you think will be the most helpful for you in your future? Please specifically identify and describe one concept or technique and explain […]

Correlation and Linear Regression Please answer one of the two following questions: Correlation: Correlation Does Not Mean Causation One of the major misconceptions about correlation is that a relationship between two variables means causation; that is, one variable causes changes in the other variable. There is a particular tendency to make this causal error, when the two […]

Use of Multiple Sample Hypothesis Tests In your chosen field, when might you want to know the mean differences between two or more groups? Please describe the situation, including how and why it would be used.   This assignment contains a Microsoft Word document. Click HERE for more STAT 200 7974 weeks. If you would like […]

Differences in Alpha Level as It Related to Hard and Soft Sciences Decisions about alpha level may be different, especially as it relates from hard sciences to social sciences.  For example, a medical trial for cancer treatments conducts their statistical tests at .0001 – so for every 1 out of 10,000 patients, there may be issues, sickness […]

Statistics, Research, and Ethical Considerations Next week, we will be moving into the part of the course that deals with statistical inference. The text describes statistical inference as making “accurate decisions about parameters from statistics.” (Kozak, 2014, p. 202); in other words, drawing conclusions about populations based on samples. Statistical methods are vital tool in […]

Probability in Everyday Life Probability tells us the chance or likelihood that a particular event will occur. Whether or not we realize it, every day we use probability to make decisions. For instance, when deciding whether to take an umbrella, we check the weather forecast to see the probability that it will rain. In this […]

Implications of Difference in Standard Deviation Size This week, we are covering an important concept that is widely used in a variety of fields: the standard deviation. The standard deviation is a measure of how close together a set of data is grouped. In Chapter 2 of your text, Kozak (2014) stated: “In general a “small” […]

Importance and Relevance of Statistics in Your Life The purpose of this week’s discussion topic is to get you thinking about the importance and relevance of statistics in your professional and/or personal life. Please answer the following three questions. How do you use statistics in your life either at work or for pleasure? Can statistics […]

Purpose: The purpose of this assignment is to develop and carry out an inferential statistics analysis plan and write up the findings. There are two main parts to this assignment: ● Part A: Inferential Statistics Data Plan and Analysis ● Part B: Write up of Results Part A: Prepare Data Plan, Analyze Data, and Complete […]

In the first assignment (Assignment #1: Descriptive Statistics Analysis Data Plan), you developed a scenario about annual household expenditures and a plan for analyzing the data using descriptive statistic methods. The purpose of this assignment is to carry out the descriptive statistics analysis plan and write up the results. The expected outcome of this assignment […]