CXC math topic: STATISTICS (2010)
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CXC General Proficiency Math Topic: STATISTICS (2010)
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GENERAL OBJECTIVES On completion of this section, students should: 1. appreciate the advantages and disadvantages of the various ways of presenting and representing data; 2. appreciate the necessity for taking precautions in collecting, analyzing and interpreting statistical data and making inferences; 3. demonstrate the ability to use concepts in statisitics and probability to describe, model and solve real-world problems.
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SPECIFIC OBJECTIVES: Students should be able to:
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CONTENT | |
| 1. | differentiate between types of data; |
Discrete and continuous variables. Ungrouped and grouped data.
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| 2. |
construct a frequency table for a given set of data;
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Ungrouped and grouped data. |
| 3. |
determine class features for a given set of data;
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class interval, class boundaries, class limits, class midpoint, class width. |
| 4. |
construct statistical diagrams;
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Pie-charts, bar charts, line graphs, histograms and frequency polygons.
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| 5. | interpret statistical diagrams, |
Pie-charts, bar charts, line graphs, histograms and frequency polygons.
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| 6. | determine measures of central tendency for raw, ungrouped and grouped data; |
Mean, median and mode.
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| 7. |
determine when it is most appropriate to use the mean, median and mode as the average for a set of data;
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Mean, median and mode as measures of central tendency. |
| 8. |
detemine the measures of dispersion (spread) for raw, ungrouped and grouped data; |
Range, interquartile range and semi-interquartile range.
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| 9. |
construct a cumulative frequency table for ungrouped and grouped data;
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| 10 |
draw cumulative frequency curve (Ogive);
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Appropriate scale for axes. |
| 11 | use statistical diagrams; | Mean, mode, median, quartiles range, interquartile range, semi-interquartile range. |
| 12 |
determine the proportion or percentage of the sample above or below a given value from raw data, table or cumulative frequency curve;
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| 13 |
identify the sample space for sample experiment;
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Set of all possible outcomes. |
| 14 |
determine experimental and theoretical probabilities of events;
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| 15 |
make inference(s) from statistics.
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Raw data, tables, diagrams |
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Here are our statistics tutorials to help you prepare for this section of the CXC math exam |
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(i) Write an inequality to represent this information.
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