Category Archives: Geography Practicals/Lab and Statistical Techniques

Advantage of Cross Tabulation with Chi Square

 Chi square or Pearson’s chi- square test, is any statistical hypothesis, which is used to determine whether there is a significant difference between expected frequencies and the observed frequencies in one or more category. An important consideration when cross tabulating … Continue reading

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Levelling in Surveying (Geography)

Levelling  is a branch of surveying, the object of which is to Find the elevation of a given point with respect to the given or assumed datum. Establish a point at a given elevation with respect to the given or assumed … Continue reading

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Band Graph

 It shows the trend of values, both the total and its parts, by a series of lines drawn on the same frame. The Y-axis represents the time scale and the X-axis shows the values.  The corresponding sub-division are shaded differently … Continue reading

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ERGOGRAPH

This graph shows relationship between season, climate and crops. •the climate is represented by monthly average temperature, rainfall and relative humidity , which are marked along the Y- axis. •The twelve month are marked along the X-axis. Below the X- … Continue reading

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