PCTL01 Convert frequency table into cumulative frequency table
PCTL02 Plot cumulative frequency
PCTL03 Interpret percentiles verbally
PCTL04 Read percentiles from a cumulative frequency chart
PCTL05 Identify quantiles from frequency table and histogram
PCTL06 APPLICATION 1: the "99%" - use US income and wealth data to find the boundaries of the 99th percentile and the number of persons in the "one percent." Go from raw data to description of X percent of population have Y percent of Z.

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Problems

Last problem was 0480 (HELP)