Table 1 shows the number of rainy days recorded in a high rainfall area for each month during 2022.
The dot plot below displays the distribution of the number of rainy days for the 12 months of 2008.
- Circle the dot on the dot plot that represents the number of rainy days in April 2008. (1 mark)
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- For the year 2022, determine
i. the median number of rainy days per month (1 mark)
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- the percentage of months that have more than 10 rainy days. Write your answer correct to the nearest percent. (2 marks)
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- the percentage of months that have more than 10 rainy days. Write your answer correct to the nearest percent. (2 marks)
Show Answers Only
a.
b. i. \(15.5\)
ii. \(92\%\)
Show Worked Solution
| a. | |
| b.i. | \(\text{Median}\) | \(=\text{(6th + 7th)}/2\) |
| \(=\dfrac{(15+16)}{2}\) | ||
| \(=15.5\) |
b.ii. \(\text{Months with more than 10 rainy days}\)
\(=\dfrac{11}{12}\times 100\%\)
\(=91.66\dots\)
\(\approx 92\%\ \text{(nearest %)}\)