14,28,30,68,77,115 ഈ സംഖ്യകളുടെ ശരാശരി എത്ര ?
A35.43
B55.33
C88.33
D77
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40 കുട്ടികളുള്ള ഒരു ക്ലാസിലെ കണക്കിന്റെ ശരാശരി മാർക്ക് 80 ആണ്. എല്ലാ കുട്ടികൾക്കും കൂടി കണക്കിന് ലഭിച്ച മാർക്ക് എത്ര?
In class IX, the average of marks in science for six students was 48. After result declared, it was found in case of one student, the marks 45 were misread as 54. The correct average is :
The average age of 40 students of a class is 18 years. When 20 new students are admitted to the same class, the average age of the students of the class is increased by 6 months. The average age of newly admitted students is
For a grouped data, if , is the class mark and is the corresponding frequency, then by direct method, mean x is
given by:
The captain of a cricket team of 11 members is 35 years old and the wicket-keeper is 5 years older than the captain. If the ages of these two are excluded, the average age of the remaining players is three years less than the average age of the whole team. What is the average age of the whole team?