স্কোর 60 (ভার 3) এবং 80 (ভার 2) কোন ভারযুক্ত গড় প্রদান করে?
A70
B68
C72
D66
Answer & Solution
Correct answer: B. 68
ভারযুক্ত মোট মান হল 180 + 160 = 340, এবং 340-কে 5 দিয়ে ভাগ করলে হয় 68।
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?