Mathematics · Averages and Statistics
The mean of a data set comprising 10 observations is 20. If one observation of value 20 is deleted and two new observations with values 14 and 15 are added to the data, what is the mean of the new data set?
- 115
- 219✓
- 314.5
- 420
Correct answer
19
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Preparing for Mathematics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on Averages and Statistics?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Mathematics · Averages and Statistics