alleryThe data 5, 7, 9, 11, 13 are in arithmetic progression. Their median is?
A9
B8
C11
D7
Answer & Solution
Correct answer: A. 9
The middle of five ordered values is 9, which also equals the mean 45/5.
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?How many modes does the data 1, 1, 2, 4, 4 have?Why is the median preferred for skewed incomes?Shoe sizes: size 6 (2 pupils), 7 (5 pupils), 8 (3 pupils). What is the modal size?