10
QuizMultiple Choice

Percent Error — Quiz

Question 10 • Grade 7 Mathematics

Espen predicted that he would sell 32 baseball caps, but he actually sold 29 baseball caps. Which expression would find the percent error? Use the given table to help answer the question. Percent Error Item Approximate value Exact value Error Absolute error Ratio Percent error Baseball caps 32 29 3 3

Answer
A
3 over 29 times 100
B
3 over 29
C
3 over 32
D
3 over 32 times 100

Explanation

Percent error is calculated as absolute error divided by the exact value, then multiplied by 100. The absolute error is 3 caps and the exact number sold is 29, so the expression is 3 ÷ 29 × 100. Choice A gives this calculation.

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