Figures & data
Figure 1a Histogram of the Mean St. Louis Temperature in May (1845–1978).
Figure 1b Histogram of the Mean St. Louis Temperature in September (1845–1978).
Figure 2a Histogram of the Mean St. Louis Temperature in May and September (1845–1978).
Figure 2b Histogram of the Mean St. Louis Temperature in July and September (1845–1978).
Figure 2c Histogram of the Mean St. Louis Temperature in July and September (1845–1978).
(Choosing class intervals that are too small gives rise to spurious peaks!)
Figure 2d Histogram of the Mean St. Louis Temperature in July and September (1845–1978).
(Choosing class intervals that are too wide conceals genuine bimodality!)
Figure 3a Estimated Probability Density Function for the Mean Temperature in May.
Figure 3b Estimated Probability Density Function for the Mean Temperature in September.
Figure 4a Combination of the Estimated Probability Density Functions for May and September.
Figure 4b Combination of the Estimated Probability Density Functions for July and September.
Figure 5 Averages of Two Normal Probability Density Functions with Equal Standard Deviations but Different Means.
Figure 6 Combination of the Probability Density Functions and
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