Practice30Create account

A survey of 20 households in a Bhopal colony recorded how many mobile phones each owns: 1 phone – 3 households, 2 phones – 8, 3 phones – 6, 4 phones – 3. What is the mean number of phones per household?

Competition practiceStatistics
  • A12.25
  • B2.45
  • C2.5
  • D2

Step-by-Step Solution

; mean . (12.25 divides by the 4 rows instead of the 20 households.)
Answer: B) 2.45

Master this topic in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Statistics practice questions

More Statistics practice

The number of siblings of 25 pupils is: 0 siblings – 4 pupils, 1 – 10, 2 – 7, 3 – 3, 4 –…The numbers 6, 9, x, 16 and 19 are in ascending order and their mean equals their…Eight numbers have a mean of 35. Three of them have a mean of 28 and another three have…The marks of 9 students are 36, 41, 28, 47, x, 33, 52, 39 and 44. If the median of all…The mean of 10 consecutive integers is 24.5. What is the median of the smallest five of…