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Describing Data
Beginning with an explanation of the difference between "qualitative" and "quantitative" data, this program goes on to explain various ways of presenting data, including Dot Plots, Bar Charts, and Histograms. The program also explains Summary Measure...(more details) |
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Using Samples
This program begins with an explanation of the difference between a Population and a Sample, and the reasons why samples are so important in estimating data relating to populations too large or too impractical to be measured in their entirety. The pr...(more details) |
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Handling Variability
This program examines the measurement of blood pressure to introduce the idea that multiple measurements may produce very variable results. The idea that measurement "errors," together with fluctuations in the parameters being measured, create variab...(more details) |
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Fractions
This video describes the meaning of fractions and how to solve problems involving sums and products. Dramatized segments and computer animations focus on adjusting ingredient amounts to vary the yield of recipes at a bakery; deciding whether to hire ...(more details) |
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Other Graphical Methods and Numerical Methods
A knowledge of graphing is essential to visualizing data-and sometimes leads to free nachos. Moving beyond the relative frequency histogram, this program studies the distribution curve and the stem-and-leaf display. Then, after distinguishing between...(more details) |
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