Practice, difficulty 1 of 3
Compute the fences
Monthly electricity bills of households in a district have SAR and SAR. Using the 1.5 × IQR rule, find the lower and upper fences.
Practice
Practise until it sticks
Choose a topic, a skill or a difficulty. Calculation exercises have new versions with fresh numbers once you have solved them, so you can practise the method rather than memorise an answer.
← Back to the list · from Five-number summary and outliers
Not started