SE 13 Statistical Analysis in Social Ecology
UCI SUMMER SESSION II
Last Class
Measures of Central Tendency
Mode, Median, Mean
Measures of Dispersion
Range, Interquartile Range, Variance, Standard Deviation
SE 13 Statistics in Social Ecology
08.13.2015
08.
SUMMER SESSION II SE 13
[Date]
HOMEWORK
Name: _
Student ID: _
Homework is extra credit for up to an additional 10% of the total course grade. Each question provides
the point(s) possible.
1. Describe characteristics of each scale of measurement and its ex
SOC ECOL 13: FINAL REVIEW
Scale of Measurements
Nominal Scale
Classify into categories
Categories are given names/numbers (numbers a arbitrary)
Mathematical property
o Equal/Unequal
Examples
o Hair/eye color, ethnic background
Ordinal Scale
Rank-orde
August 4Lecture 1
Introduction to Statistics
Statistics in Social Ecology?
To make independent decisions in an appropriate and confident manner based on the statistical
analyses of data
o Read and critique academic and nonacademic articles
o Conduct stat
Lecturer 4
Normal Distribution and Standard Scores
Normal Distribution
The normal distribution is a standard curve
o Symmetric around the mean
o Unimodal (one mode)
o Bell-shaped
o Mean = Median = Mode
There is no single normal distribution, rather the
SE 13 Statistical Analysis in Social Ecology
UCI SUMMER SESSION II
Welcome to SE 13!
Instructor: Cecilia Kim
Email: [email protected]
Office Hours: Mondays 9am-11am
TA: Dongwoo Yang
Email: [email protected])
Office Hours: Thursdays 2pm-4pm
Class Website:
SE 13 Statistical Analysis in Social Ecology
UCI SUMMER SESSION II
QUIZ II
08.27.2015
Last Class
Hypotheses: Null and Alternative
Hypotheses Tests: Two-tailed, one-tailed (upper), one-tailed (lower)
Decision making: Type I and Type II Errors
Decision-maki
SE 13 Statistical Analysis in Social Ecology
UCI SUMMER SESSION II
08.20
SE 13 Statistics in Social Ecology
PROBABILITY AND SAMPLE
STATISTICS
08.20.2015
Probability
p ( A)
SE 13 Statistics in Social Ecology
=
S
T
p (A) = probability of event A
S = # of ti
SE 13 Statistical Analysis in Social Ecology
UCI SUMMER SESSION II
Last Class
Probability
Sampling: Simple random sampling
Estimation Measures: sampling distribution of the mean, variance error, standard error,
confidence intervals
Central Limit Theorem
S
SE 13 Statistical Analysis in Social Ecology
UCI SUMMER SESSION II
Last Class
Independent and Dependent Samples
Independent t test
Assumptions
Measurement Scale
Test statistic, standard error of the difference of the means, pooled standard deviation,
degr
SE 13 Statistical Analysis in Social Ecology
UCI SUMMER SESSION II
Last Class
Population Parameters and Sample Statistics
Descriptive and Inferential Statistics
Categorical and Numerical Variables
Measurement Scales
SE 13 Statistics in Social Ecology
08.0
August 6Lecture 2
Frequency Distribution
Ungroup frequency distribution: arrange unique scores on a list from the lowest to highest
o Raw score
o Sample size
o Real limits and intervals
o Frequency, cumulative frequency, relative frequency, cumulative re
SE 13 Statistical Analysis in Social Ecology
UCI SUMMER SESSION II
Last Class
Tables: f, cf, rf, crf
Graphs: Bar Graph, Histogram, Frequency Polygon, Cumulative Frequency
Polygon, Stem-and-Leaf, Box-and Whisker Plot
Frequency Distribution Shapes
Percentil
HOMEWORK
SUMMER SESSION II SE 13
9/3/15
Name: _KEY_
Student ID: _
Homework is extra credit for up to an additional 10% of the total course grade. Each question provides
the point(s) possible.
1. Describe characteristics of each scale of measurement and it