Chapter 2- Statistics Flashcards
1
Q
Two branches
A
Descriptive, Inferential
2
Q
Descriptive:
A
Present data in an easy to understand way
3
Q
Measures of central tendency
A
mean, median, mode
4
Q
Measures of Variability
A
Range, standard deviation, variance
5
Q
Normal Curve
A
34%, 14%, 2%
6
Q
Z score
A
SD units on normal curve
7
Q
Correlation coefficient
A
-1–>1
8
Q
Inferential Statistics
A
Uses descriptive statistics with probabity theory to make inferences about reality. Include Z test, t test, f test, ANOVA, regression, chi square. Tell whether data is significant