APPSC Group I · Quantitative Aptitude
Mean, Median, Mode, Standard Deviation, Basic Probability
Study notes are still being prepared.
Don't wait — Shishya can teach you this topic right now, on demand.
Ask Shishya to teach this →Shishya is your personal tutor for this topic. Pick a starter or open a free chat.
Q1 · Statistics and Probability · MEDIUM
The mean of five numbers is 28. If one number is excluded, the mean of the remaining four numbers becomes 25. What is the excluded number?
Q2 · Statistics and Probability · HARD
The median of a set of 9 consecutive integers is 42. What is the largest number in the set?
Q3 · Statistics and Probability · EASY
The mean of five numbers is 48. If one number is excluded, the mean becomes 45. What is the excluded number?
Q4 · Statistics and Probability · MEDIUM
The median of the data set 12, 18, 24, x, 36, 42 is 27. Find the value of x.
Q5 · Statistics and Probability · EASY
The mean of 8 observations is 25. If one observation 15 is deleted, what will be the mean of the remaining observations?