Mathematics · Statistics
The variable X takes values 3 and 7, with frequencies of K and K - 2, respectively. If the arithmetic mean of X is 4, then the value of K is:
- 15
- 23✓
- 36
- 44
Correct answer
3
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 Statistics?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Mathematics · Statistics