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By:
Megan Anderson
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Decks in this class (33)
producing data
Explanatory variables,
Response variable,
Confounding variables
12
cards
sampling and randomisation
Population,
Sample,
Advantages of sample survey over ...
8
cards
histograms and quartiles
Quantitative variables,
Categorical variables,
Ordinal variables
13
cards
box plots, means and SD
Five number summary and box plots,
Observations made more than 15 x ...,
Excel
6
cards
Robust statistics, linear transformations
Outlier,
Robust statistics,
Linear transformations of a variable
4
cards
Relations in categorical data
Types of categorical data,
Relations in categorical data,
Conditional distributions
4
cards
scatter plots, linear relationships, least squares regression
Association between quantitative ...,
Scatterplot,
Forms of scatterplots
6
cards
Regression and Correlation
How do you use algebra to find th...,
Uses of the line of best fit,
Excel line of best fit
4
cards
residuals, exponential and powers
Linear,
Power,
Exponential
13
cards
r squared and regression to the mean
The amount of variability explain...,
Regression to the mean another in...,
Multiple linear regression
8
cards
Probability of events
What is probability,
What is the law of large numbers,
Mutually exclusive
13
cards
The Law of Total Probability
Law of total probability
1
cards
The binomial distribution
Random variable,
Discrete random variable,
The probability should add to
10
cards
Poisson Processes
Poisson distrubutiins,
Processes and events of poisson,
For histograms described by poiss...
5
cards
random variables, their means and variances
What are the random variables and...,
P x x defines,
Determining the mean or expected ...
8
cards
The normal distribution
Characteristics,
Density curves,
Features of the density curve
11
cards
Calculations using normal random variables
Finding normal probabilities from...
1
cards
Testing for normality
Graphical procedures,
P value
2
cards
Population and sample means and the central limit theorem
Probability and statistics,
Sample mean x bar and population ...,
Mean and variance of sample mean ...
5
cards
Towards statistical inference
Statistical inference,
Null hypothesis,
P value
3
cards
Confidence Intervals For the Mean
What are confidence intervals for,
Confidence interval equation,
When the sigma is known for 95
12
cards
Hypothesis testing for the mean
Hypothesis testing method,
Steps to hypothesis tests,
Hypothesis testing assuming sigma...
9
cards
Compare two means
What is this for,
Matched or paired sample t test,
Two sample test comparing two mea...
6
cards
non-parametric tests
Parametric tests,
Non parametric,
Paired data wllcoxon ranks test
11
cards
testing the slope in regression
Inference calculations
1
cards
Normal approximation to the binomial
What is the basic gist
1
cards
Inference for proportions: confidence intervals
What is p,
Confidence interval for proportion,
Sample size for estimating propor...
3
cards
Hypothesis testing for proportions and difference of proportions
What is the test statistic,
Steps,
Comparing two proportions
3
cards
Chi-squared test for independence
What is this about,
Null hypothesis and chi squared,
Alternative hypothesis
7
cards
Goodness of fit using chi-squared
What are goodness of fit tests,
What p value do you reject
2
cards
Analysis of variance (ANOVA) - comparing several means at once
What is this about,
Numerator in the standardised score,
Denomenator in the standardised s...
5
cards
Levene's test for equal variances, Tukey's honest significant differences
What do we do before using anova,
Levene s test for equal variances,
Tukey s honest significant differ...
4
cards
Understanding hypothesis testing
Type 1 error,
Type ii error
2
cards
More about
STA1011
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