alleryयदि 4, 6, x और 10 का माध्य 7 है, तो x का मान क्या है?
A8
B9
C7
D6
Answer & Solution
Correct answer: A. 8
कुल योग 28 होना चाहिए, और 4 + 6 + 10 = 20 घटाने पर x = 8 प्राप्त होता है।
Keep practising Elementary Statistics
Browse all Elementary Statistics questions for RRB NTPC, or explore more Mathematics topics.
Related questions
RRB NTPC · Central Tendency MeasuresRRB NTPC · Calculate Mean of DataA fair coin lands tails five times in a row. The chance of tails on the next toss isA fair coin is tossed ten times. The chance of ten heads in a row is aboutHow is the median of 8 ordered values found?The data 5, 7, 9, 11, 13 are in arithmetic progression. Their median is?How many modes does the data 1, 1, 2, 4, 4 have?Why is the median preferred for skewed incomes?