Two-Way Frequency Tables - Gwinnett County Public Schools



Concept Notes Page - Two-way frequency tablesThe ________________ frequencies are the sums of each row and column in a two-way table.The points of intersection between the two categories are called ___________ frequencies.The relative frequencies should total ___.By convention, the joint and marginal relative frequencies are calculated as ______ instead of percentages.Try these A public opinion survey explored the relationship between age and support for increasing the minimum wage. The results are found in the following two-way frequency table.ForAgainstNo OpinionTOTALAges 21-4020550Ages 41-603015Over 60502075TOTAL7025200Fill in the missing data to the table.Create a two-way frequency table that summarizes the data from the table. Include marginal frequencies and interpret the joint frequencies of the table.Out of the people that have no opinion, what percentage is over 60 years old?What percentage of people is for increasing minimum wage? How many people over 60 are against increasing the minimum wage?For ages 21-60, how many were not against increasing the minimum wage?What percent of people over 60 are against or have no opinion? ................
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