Using the instructions in Section 2.6, determine (a) the relative frequencies and (b) the


Using the instructions in Section 2.6, indicate (a) the referring-to frequencies and (b) the cumulative proportions for the postulates in Table 2.10. Table 2.10 Average Estimate of Injuries per Thousand Worker-Hours in a Particular IndustryAverage estimate of injuries per thousand worker-hoursNumber of firms1.5–1.731.8–2.0122.1–2.3142.4–2.692.7–2.973.0–3.255Total50 The referring-to frequencies and cumulative proportions for the postulates in Table 2.10 are given in Table 2.11. Table 2.11 Referring-to Frequencies and Cumulative Proportions for Average Estimate of InjuriesAverage estimate of injuriesper thousand worker-hoursNumber of firms(a) Referring-to quantity(b) Cumulative proportion1.5–1.730.060.061.8–2.0120.240.302.1–2.3140.280.582.4–2.690.180.762.7–2.970.140.903.0–3.2550.101.00 Total50Total1.00