Textbook Notes (280,000)
CA (160,000)
U of G (10,000)
PSYC (3,000)
PSYC 2310 (200)
Chapter

Appendix - Chapter Notes


Department
Psychology
Course Code
PSYC 2310
Professor
Anneke Olthof

This preview shows half of the first page. to view the full 2 pages of the document.
c
ccccc
acDifficult to make sense of data merely by individual scores
c data the summarize and describe the characteristics of a set
of scores
c a method of summarizing a set of scores by showing how
many participants received each score
ac3he frequency distribution tells us at a glance about certain characteristics of
the data
J a graph of frequency distribution
Measures of Central 3endency
acîrequency distributions and histograms give us a general picture of how
scores are distributed
accc a distribution in terms of a single statistic that is in
some way Ǯtypicalǯ of the sample as a whole
a occurs most often
a average
a the point that divides the distribution in half when ordered from lowest o
highest
Measures of Variability
acc provide information about the spread of scores in a
distribution
 the difference between the highest and the lowest score in distribution
cc  the square root of the variance
!c a symmetrical bell-shaped curve that represents a theoretical
distribution of scores in the population
3he Correlation Coefficient
acÔelations between variables can differ in direction and in strength
You're Reading a Preview

Unlock to view full version