Video: Comparing Data by Reading Frequency Tables Involving Tally Marks

Michael conducted a survey to determine the favorite sandwiches of the students in his class. The results of the survey are shown in this tally chart. Which sandwiches are more popular than peanut butter?

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Video Transcript

Michael conducted a survey to determine the favourite sandwiches of the students in his class. The results of the survey are shown in this tally chart. Which sandwiches are more popular than peanut butter?

Each tally mark represents one person. Four tally marks with a line through them represent five people. This means that the tallies in the turkey column represent five and two. Five plus two is equal to seven. Therefore, seven students in Michael’s class preferred turkey sandwiches.

Only one student preferred roast beef. There were six students that preferred tuna salad as five plus one equals six. Five plus three is equal to eight. Therefore, eight students preferred peanut butter sandwiches. Finally, there were 10 students who preferred ham sandwiches as five plus five equals 10.

We were asked to work out which sandwiches are more popular than peanut butter. There were eight students that preferred peanut butter. We’re looking for any numbers greater than eight. The only number larger than eight in our table is 10, which represents the ham sandwiches.

We can therefore conclude that only ham sandwiches are more popular than peanut butter sandwiches.

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