Select the correct answerAverage temperature for a week is noted as 32D.C. But later it was realized that Monday temperature reading was taken as 30D.C instead of 16D.C. What is the true average temperature for the week?Options1510None of these2030
Question
Select the correct answerAverage temperature for a week is noted as 32D.C. But later it was realized that Monday temperature reading was taken as 30D.C instead of 16D.C. What is the true average temperature for the week?Options1510None of these2030
Solution
To solve this problem, we need to first understand that the average temperature was calculated incorrectly. The incorrect average was calculated using the wrong temperature for Monday.
Here are the steps to find the correct average:
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The incorrect average temperature for the week is 32 degrees Celsius. This means that the total temperature for the week (sum of temperatures for all seven days) is 32 degrees * 7 days = 224 degrees.
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However, the temperature for Monday was recorded incorrectly. It was recorded as 30 degrees when it was actually 16 degrees. So, the total temperature calculated in step 1 is too high. We need to subtract the incorrect Monday temperature and add the correct Monday temperature to get the correct total temperature for the week.
So, the correct total temperature for the week is 224 degrees - 30 degrees (incorrect Monday temperature) + 16 degrees (correct Monday temperature) = 210 degrees.
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Now, we can calculate the correct average temperature for the week by dividing the correct total temperature by the number of days in the week.
So, the correct average temperature is 210 degrees / 7 days = 30 degrees Celsius.
Therefore, the correct answer is 30.
Similar Questions
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