Levels of Data / Levels of Measurement
Levels of Measurement and Graphs
Bar chart and pie chart = nominal data (use the mode as the measure of central tendency)
Histogram = ordinal data (use the median as the measure of central tendency)
Line and scatter graph = interval / ratio data (use the mean as the measure of central tendency)
Bar chart and pie chart = nominal data (use the mode as the measure of central tendency)
Histogram = ordinal data (use the median as the measure of central tendency)
Line and scatter graph = interval / ratio data (use the mean as the measure of central tendency)