Summarizing Categorical Data with Tables and Percent Bar Graphs(TEKS.Math.6.12.D)
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Texas 6th Grade Math › Summarizing Categorical Data with Tables and Percent Bar Graphs(TEKS.Math.6.12.D)
Favorite recess activities survey: Tag: 9, Four Square: 12, Jump Rope: 6, Reading: 3. What is the mode (most frequent category)?
Tag
Four Square
Jump Rope
Reading
Explanation
The mode is the category with the largest count. Four Square has 12, which is the largest, so the mode is Four Square.
Lunch choices: Pizza: 8, Sandwich: 6, Salad: 4, Pasta: 2 (20 students). Which relative frequency table (percents) matches the data?
Pizza: 40%, Sandwich: 30%, Salad: 20%, Pasta: 10%
Pizza: 8%, Sandwich: 6%, Salad: 4%, Pasta: 2%
Pizza: 45%, Sandwich: 25%, Salad: 20%, Pasta: 10%
Pizza: 40%, Sandwich: 35%, Salad: 15%, Pasta: 10%
Explanation
Total = 20. Compute each: Pizza $= \frac{8}{20} \times 100% = 40%$, Sandwich $= \frac{6}{20} \times 100% = 30%$, Salad $= \frac{4}{20} \times 100% = 20%$, Pasta $= \frac{2}{20} \times 100% = 10%$.