alleryએક કસોટીમાં ગુણ 70 (ભાર 1) અને 85 (ભાર 2) છે. ભારિત મધ્યક કેટલો થશે?
A78
B82
C80
D77.5
Answer & Solution
Correct answer: C. 80
ભારિત કુલ સરવાળો 70 + 170 = 240 છે, અને 240 ને 3 વડે ભાગતા 80 મળે છે.
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?