Fechar
Chapter 1 Data Collection
Population
Census
Sample
Sampling Units
Sampling frame
simple random sample
systematic sampling
stratified sampling
quota sampling
opportunity sampling
quantitative data/variables
qualitative data/variables
continuous variable
discreet variable
classes
class boundaries
midpoint
class width
Chapter 2 Measures of location and spread
mode/modal class
median
mean
for a mean in a frequency table
lower quartile for discrete data
upper quartile for discreet data
range
IQR
Interpercentile range
Variance
Standard Deviation
Variance and Standard Deviation in a frequency table
mean of coded data
standard deviation of coded data
Chapter 3 Representations of data
outlier
cleaning data
frequency density (height of bar)
frequency polygon
comparing data sets
Chapter 4 Correlation
bivariate data
Correlation
Regression line
the coefficient b
Interpolation and Extrapolation
Chapter 5 Probability
Venn diagram
mutually exclusive events
independent events
tree diagram
Chapter 6 Statistical Distribution
Probability distribution
sum of probabilities
Binomial distribution, B(n,p)
probability mass function
Chapter 7 Hypothesis Testing
Ho, null hypothesis
H1, alternate hypothesis
One tailed
Two tailed
critical region
critical value
actual significance level
two-tailed test
