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Business Analytics · Quiz 1 · 13 Jul 2025 · May 2025 term

Question 6: | Age group | Actual number of cycles sold | |---|---| | …

Question 6

+1 markNumerical answer

Milo’s Wheels sells bicycles. DrMilo, the owner of the shop, is curious to know about his customer base. Hence, he collects data on the total sales made to different age groups in the year 2024. This data is given in Table-2. He hires you (a student in the BA course) as a data analyst and asks for your opinion. Then answer the given subquestions.
(Note: For all questions in this comprehension, if your answer is in decimal, enter it rounded to two decimal places. For example, if your answer is “10.256”, enter it as “10.26”)

Age groupActual number of cycles sold
less than 10 years25
11 to 15 years50
16 to 20 years30
21 to 24 years50
25 to 30 years20
31 to 40 years25
greater than 41 years50

Table-2

Based on Table-2, you think the data is normally distributed such that the buckets split the distribution into areas that have equal probability. Then what is the expected number of cycles that will be sold to the age group of “25 to 30 years”?

Show answer

Correct answer: 35.5 (accepted within ±0.5)

Question 6 of 15 in the IIT Madras BS Business Analytics (Business Analytics) Quiz 1 paper sat on 13 Jul 2025, in the May 2025 term (IIT M DIPLOMA AN EXAM QDD2 13 July 2025). It carries 1 mark.

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  6. Q7| Age group | Actual number of cycles sold | |---|---| | less than 10 years | 25 | | 11 to 15 years | 50 | | 16 to 20 y…
  7. Q8| Age group | Actual number of cycles sold | |---|---| | less than 10 years | 25 | | 11 to 15 years | 50 | | 16 to 20 y…
  8. Q9| Age group | Actual number of cycles sold | |---|---| | less than 10 years | 25 | | 11 to 15 years | 50 | | 16 to 20 y…
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