Univariate data

• Univariate data This free online course is an introduction to the types of univariate data. The Contents tab displays all the lessons and topics of the course. Each time you click the Contents tab, you will come to this page. A green tick indicates those lessons and topics you have completed, so you can easily see your progress. Topics in this module: Introduction Types of data Types of univariate data Numerical data

Univariate data 2

• Univariate data 2 This free online course is an introduction to displaying data using bar graphs and stem and leaf graphs. The Contents tab displays all the lessons and topics of the course. Each time you click the Contents tab, you will come to this page. A green tick indicates those lessons and topics you have completed, so you can easily see your progress. Topics in this module: Displaying data Bar graphs Stem and leaf diagrams 1 Stem and leaf diagrams 2

Bivariate data

• Bivariate data This course is an introduction to bivariate data and covers topics such as dependent and independent data, stemplots and boxplots. The Contents tab displays all the lessons and topics of the course. Each time you click the Contents tab, you will come to this page. A green tick indicates those lessons and topics you have completed, so you can easily see your progress. Topics in this module: Introduction Dependent and independent variables Percentaged tables Parallel boxplots Back-to-back stemplots Graphical display of bivariate data – in summary

Summary statistics

• Summary statistics This free online course is an introduction to statistical method such as calculating the mean, median, and mode. The Contents tab displays all the lessons and topics of the course. Each time you click the Contents tab, you will come to this page. A green tick indicates those lessons and topics you have completed, so you can easily see your progress. Topics in this module: Summary statistics The mean The median – definition Cumulative frequency Cumulative frequency graph The mode Advantages and disadvantages of the mean The median for even data sets Advantages and disadvantages of the median The mean - example The median - example

Range

• Range This course covers topics such as the interquartile range and creating boxplots. The Contents tab displays all the lessons and topics of the course. Each time you click the Contents tab, you will come to this page. A green tick indicates those lessons and topics you have completed, so you can easily see your progress. Topics in this module: The soccer activity The range The interquartile range The interquartile range - example 1 The interquartile range - example 2 The standard deviation Boxplots Boxplots - example Using your calculator

Symmetry

• Symmetry This free online course reviews the skewness of the distribution of data. The Contents tab displays all the lessons and topics of the course. Each time you click the Contents tab, you will come to this page. A green tick indicates those lessons and topics you have completed, so you can easily see your progress. Topics in this module: Symmetry and skew of a distribution Negative skew Positive skew Probability intervals Probability interval examples Comparing sample and population

Calculating a seasonal index

• Calculating a seasonal index This course covers how to calculate and interpret seasonal indices and how deseasonalise data. The Contents tab displays all the lessons and topics of the course. Each time you click the Contents tab, you will come to this page. A green tick indicates those lessons and topics you have completed, so you can easily see your progress. Topics in this module: Calculating a seasonal index Interpreting seasonal indices Seasonal movements Deseasonalising the data Deseasonalising the data – example

Coefficient

• Coefficient This course covers topics such as the coefficient of determination, scatterplots, and calculating r. The Contents tab displays all the lessons and topics of the course. Each time you click the Contents tab, you will come to this page. A green tick indicates those lessons and topics you have completed, so you can easily see your progress. Topics in this module: Scatterplots Scatterplots: using your calculator Pearson's product moment correlation coefficient, r Calculating r The coefficient of determination Practice question Strength of association

Regression line

• Regression line This free online course covers topics related to the regression line. The Contents tab displays all the lessons and topics of the course. Each time you click the Contents tab, you will come to this page. A green tick indicates those lessons and topics you have completed, so you can easily see your progress. Topics in this module: Introduction Finding the equation of a regression line Interpretation of slope and intercept Practice question The three-median regression line Using your calculator The three-median regression example The three-median regression practice questions The least squares regression line Making predictions from a regression line

Non-linear data

• Non-linear data This course is an introduction to square, log, and reciprocal transformations. The Contents tab displays all the lessons and topics of the course. Each time you click the Contents tab, you will come to this page. A green tick indicates those lessons and topics you have completed, so you can easily see your progress. Topics in this module: Non-linear data Square transformation Log transformations Reciprocal transformation Example 1 Example 2

Residual analysis

• Residual analysis This free online course is an introduction to residual analysis. The Contents tab displays all the lessons and topics of the course. Each time you click the Contents tab, you will come to this page. A green tick indicates those lessons and topics you have completed, so you can easily see your progress. Topics in this module: Introduction Residual analysis - part 1 Plotting the residuals Residual analysis - part 2 Residual analysis - part 3

Trends

• Trends This free online course covers topics such as seasonal, random, and cyclic trends. The Contents tab displays all the lessons and topics of the course. Each time you click the Contents tab, you will come to this page. A green tick indicates those lessons and topics you have completed, so you can easily see your progress. Topics in this module: Trends Cyclic patterns Random patterns Describing patterns in time series data Seasonal patterns Smoothing a time series Median smoothing Smoothing using moving averages Smoothing - example 1 Smoothing - example 2

Exam techniques and tips

• Exam techniques and tips This course covers exam tips and techniques. The Contents tab displays all the lessons and topics of the course. Each time you click the Contents tab, you will come to this page. A green tick indicates those lessons and topics you have completed, so you can easily see your progress. Topics in this module: Exam techniques and tips 1 Exam techniques and tips 2 Exam techniques and tips 3 Exam techniques and tips 4

Assessment

• Assessment Topics in this module: Core Mathematics 1 Assessment

Forum

• Welcome to the forum for Statistics, Correlation and Regression in Mathematics. In this forum you can do the following: 1) Reply to a thread/comment by clicking on the thread of interest to you 2) Create a new discussion To find out how to use our forums click here.