Use the information below to answer the question that follows.
What is the average of the heights of rice within the period of cultivation?
The years of cultivation are indicated at the horizontal axis, while the height of rice is indicated at the vertical axis.
To find the average of the heights, we need to firstly find the total height and then divide it by the number of bars.
To calculate the total height of rice that grew in all the years, we add all the heights indicated by the histogram.
Total height = 55 + 50 + 60 + 40 + 35 = 240 cm
Also, number of bars = 5
Hence, the average of the heights within the cultivation period = 240/5 = 48 cm
Now for the right answer to the above question:
- Option A is incorrect
- Option B is incorrect
- C is correct
- D is not the correct answer
You may please note that:
- You must read and understand the information a chart is conveying before attempting to answer any question that follows.
Use the questions and answers session to raise further questions and deal more on this topic…
/ culled from 2016 JAMB-UTME biology past question 48 /
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