Data Analysis and Statistics — OCR GCSE Geography A J383
OCR GCSE Geography A · J383
Data Analysis and Statistics
What you need to know
Demonstrate an understanding of number, area, and scale in geographical contexts.
Understand the quantitative relationships between different units of measurement.
Correctly utilize concepts of proportion, ratio, magnitude, and frequency.
Calculate and apply measures of central tendency, spread, and cumulative frequency, including median, mean, range, quartiles, inter-quartile range, mode, and modal class.
Calculate and interpret percentage increases, decreases, and percentiles.
Design fieldwork data collection sheets, ensuring accuracy, appropriate sample sizes, standardized procedures, control groups, and reliability.
Interpret complex tables of data to extract meaningful geographical trends.
Describe relationships found in bivariate data.
Sketch trend lines through scatter plots and draw estimated lines of best fit to make predictions by interpolating and extrapolating trends.
Identify weaknesses and potential errors in statistical presentations of data.
Draw and logically justify conclusions derived from numerical and statistical data.