11Maths Chance and Data 2011External


Chance and Data - Learning workbook pages and dates

On Wednesday the 24th of October our Class test will be page 22 to 34 in the green TEST booklet. So BRING the book!
Alternatively (if you have completed that one or misplaced the book) page 104 to 109 in the green workbook can be completed.
The COMMON TEST is on the 30th of October as per Green Workbook Weekly Planner!
Old past papers http://2011maths.wikispaces.com/NCEA+Level+1+Past+Papers



Skills Check List

- Simple probability and experimental probability - [random numbers generated on calculator]
- Tree diagrams - [covered and videos made in term three]
- Conditional probability - [when the word GIVEN is used]
(reduced sample space - the sample space is all possible outcomes eg: given the person is female....)

The statistical enquiry cycle involves:
- evaluating statistical investigations or probability activities undertaken by others, including data collection methods, choice of measures, and validity of findings
- calculating probabilities, using fractions, percentages, and ratios
- evaluating statistical reports in the media by relating the displays, statistics, processes, and probabilities used to the claims made
- investigating situations that involve elements of chance: calculating probabilities in discrete situations.

When evaluating report look at the following:
- other data that could be collected to improve the analysis
- Improvements to the method of data collection
- better graphs that could be drawn, or other statistics that could be calculated. (If you believe that the best choice of graphs and statistics have been made, explain why)
- whether assumptions/claims made are valid, sensible and accurate
- reliability of the experiment and accuracy of data
- improvements to the question posed (if applicable)

Interpretation of:
- measures of centre (central tendancy: mean, median and mode)
- measures of spread (range, interquartile range, standard deviation)
- statistical graphs and tables (box and whisker, time series, scatter graph, histogram, bar graph etc)

Interpretation of statistical graphs might include a scatter graph!

T-E-X-T is a way to form a paragraph that has structure, making it easy to read.
T for a topic sentence
E for evidence in the form of numbers and calculations
X for eXplain what the numbers mean
T tie up by making a statement that answers the question

All sorts of graphs links