Question 8
Est. 2 min
Marks:+2.000.00
Passage
A logistics company tracks the daily number of parcels delivered by two of its branches over a period of 5 days. Branch A shows an average of 36 deliveries per day with a standard deviation of 0. Branch B also has an average of 36 deliveries per day, but with a standard deviation of 8. Based on the above data, answer the given sub-questions.
Question
The company recorded the number of parcels delivered by Branch B as: 30, 45, 25, 35, 45. However, the manager mistakenly reported each value as: 60, 90, 50, 70, 90. Determine the variance of the reported data.
Comprehension
Medium Difficulty
26 October 2025