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In a line graph showing the temperature over a week, if the temperatures recorde

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Question: In a line graph showing the temperature over a week, if the temperatures recorded are 30°C, 32°C, 31°C, 29°C, 28°C, 33°C, and 34°C, what is the average temperature for the week? (2023)

Options:

  1. 30°C
  2. 31°C
  3. 32°C
  4. 33°C

Correct Answer: 31°C

Exam Year: 2023

Solution: 

Average temperature = (30 + 32 + 31 + 29 + 28 + 33 + 34) / 7 = 31°C.

In a line graph showing the temperature over a week, if the temperatures recorde

Practice Questions

Q1
In a line graph showing the temperature over a week, if the temperatures recorded are 30°C, 32°C, 31°C, 29°C, 28°C, 33°C, and 34°C, what is the average temperature for the week? (2023)
  1. 30°C
  2. 31°C
  3. 32°C
  4. 33°C

Questions & Step-by-Step Solutions

In a line graph showing the temperature over a week, if the temperatures recorded are 30°C, 32°C, 31°C, 29°C, 28°C, 33°C, and 34°C, what is the average temperature for the week? (2023)
  • Step 1: Write down all the temperatures recorded for the week: 30°C, 32°C, 31°C, 29°C, 28°C, 33°C, 34°C.
  • Step 2: Add all the temperatures together: 30 + 32 + 31 + 29 + 28 + 33 + 34.
  • Step 3: Calculate the total: 30 + 32 = 62, 62 + 31 = 93, 93 + 29 = 122, 122 + 28 = 150, 150 + 33 = 183, 183 + 34 = 217.
  • Step 4: Count how many temperatures there are: There are 7 temperatures.
  • Step 5: Divide the total temperature by the number of temperatures: 217 / 7.
  • Step 6: Calculate the average: 217 divided by 7 equals 31.
  • Averages – Understanding how to calculate the average (mean) of a set of numbers by summing them and dividing by the count.
  • Data Interpretation – Interpreting data from a line graph and applying it to mathematical calculations.
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