PSYC-104 Midterm: PSYC 104 Mid Term 2 Notes & Midterm Prep w Pictures (Ch 2,3,4)
Document Summary
Descriptive statistics: the numerical characteristics of the nature of the data. Variability: statement that describes the extent to which measurements differ from one another. One of the best methods to describe data is to represent it on a graph; data is often presented in psychology using: frequency distributions: When you increase how broad the distribution is, we would say it"s a bigger range. Shows a spread of data & when looking at it, the line will represent the median (the value that is in the middle of the distribution): scatter plots: shows the positive or negative relationship between correlations. 2 i s u n m s m k t h g i l f o d e e p. With the mode, mean, & median, sometimes the mean might not always be the best option to go to when the distribution is skewed (distribution is not symmetrical), in these cases you should use the median or the mode.