{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

# 16 - Data Analysis Preparing Data for Analysis a Before any...

This preview shows pages 1–2. Sign up to view the full content.

Data Analysis Preparing Data for Analysis a Before any type of analysis, you should look at the data to make sure it looks ok a This includes identifying if any data points are missing, if participants who were to be excluded are not in the data set, and that the numbers are all well in the range expected. a You can also look at some descriptive statistics to ensure that the data is ok Descriptive Statistics a These statistics tell you about the overall pattern of the data but cannot tell your about significant differences a Descriptive Statistics include: Mean, Median, Mode, Standard Deviation, Standard Error, and Range a By using the Mean and Standard Deviation, you can identify outliers What to do about outliers a The basic definition of an outlier is any data point that is beyond 3 standard deviations of the mean in either direction a Sometimes, researchers use 2 or 2.5 Standard Deviations to define outliers a Leaving outliers in the data set is always a choice, but they tend to skew the

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern