After a five-day survey in a coastal town, a student group shared these notes for a class presentation. They…

Questão

After a five-day survey in a coastal town, a student group shared these notes for a class presentation. They counted 80 reusable bags brought to the local market on Monday and 120 on Friday. They also recorded 45 plastic bags on Monday and 20 on Friday. The students wrote that the market visitors were not given any instructions during the survey, so the change seemed to happen naturally. In their draft, they wanted to explain the results clearly for classmates who had not seen the numbers. Their teacher asked them to turn the notes into one concise statement that showed the main trend and kept the meaning of the data. Analyze the notes and identify the sentence that best presents the survey results.

1. A) The use of reusable bags increased, while the use of plastic bags decreased during the survey.
2. B) The survey showed no relation between bag use and the day of the week during the survey.
3. C) The use of reusable bags decreased, while the use of plastic bags increased during the survey.
4. D) The market visitors were instructed to choose reusable bags, while plastic bags were forbidden during the survey.
5. E) The use of reusable bags stayed the same, while the use of plastic bags stayed the same during the survey.

✅ Resposta correta: alternativa A

Resolução passo a passo

1. Leia os dados do enunciado. Sacolas reutilizáveis: 80 na segunda-feira e 120 na sexta-feira, ou seja, aumento de 40. Sacolas plásticas: 45 na segunda-feira e 20 na sexta-feira, ou seja, queda de 25.
2. Identifique a tendência principal. O uso de sacolas reutilizáveis cresceu ao longo da semana e o uso de sacolas plásticas diminuiu. Uma frase concisa deve manter esse sentido de aumento de um tipo e redução do outro.
3. Verifique cada alternativa. A alternativa A descreve exatamente o aumento das reutilizáveis e a queda das plásticas, por isso está correta.
4. Analise as erradas. B está errada porque os números mostram variação clara entre os dias, não ausência de relação. C está errada porque inverte as tendências. D está errada porque o enunciado diz que não houve nenhuma instrução aos visitantes, além de nada indicar proibição. E está errada porque afirma que os dois tipos ficaram estáveis, o que contradiz os números.
5. Conclusão. O gabarito oficial A está correto e coincide com a análise feita a partir dos dados.

💡 Dica: Compare os números de sacolas reutilizáveis e plásticas entre segunda e sexta para identificar a tendência.

Alternativa por alternativa

Raio-X da questão

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