Strand 1 Leaving Certificate Higher Level Probability and Statistics - Revised
Improve your understanding of Probability and Statistics in this free online Project Maths Leaving Certificate course.
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Statistics are constantly used in real life to organize the information around us and to determine how it might affect us. Statistics looks at the analysis of the data collected and the data handling cycle. This involves posing a question, collecting data on the response, presenting the data, analysing that data (using measures of centre and spread) and interpreting the results. In answering questions, it is very important that you can justify your findings with context.
Probability is concerned with chance, how likely it is that an event will occur. The information can be used to instruct your decisions.
Probability is constantly utilised in the world of insurance, finance and sport among many other fields. Probability can also be used to determine the fairness of a series of events or just a single event. It can be presented using a rule-based approach or diagrams.
Combining the abilities of both fields, Probability and Statistics, can be used to prove/disprove a given statement or conjecture (Hypothesis Testing (HL only)). The aim of this Strand is to merge the mathematical aspects of Probability and Statistics with examples of real-life application. It is a very interesting topic that is accessible to all students.Start Course Now
Having completed this course students will be able to:
- Recognise the concept of Expected value
- Discuss and define what probability is
- Discuss how to calculate probability in reverse
- Recognize Bayes Theorem
- Identify how to calculate the probability distribution
- Define what a Binomial Distribution is and how to calculate it
- Recognize how to calculate the cumulative frequency of a distribution
- Recognize how to plot a cumulative frequency on a graph
- Identify how to calculate the mean of a grouped frequency table
- Discuss creating a Stem and Leaf Diagram
- Define what statistical correlation is
- Identify how to make a scatter diagram
- Identify how to work out Pearson's Correlation Coefficient
- Discuss what regression lines are and do
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