Here is an easy Descriptive Statistics Data Sufficiency QuestionWhat is the median of a set of 10 positive integers?1. The numbers are in an AP with the first term being 102. The arithmetic mean of these 10 numbers is 55Answer - Choice CExplanatory AnswerBreak down the process of solving any DS … [Read more...]

## GMAT : Descriptive Statistics

Here is a simple descriptive statistics question.When a student Joe, weighing 41 kg, joins a group of students whose average weight is 30 kg, the average weight goes up by 1 kg. Subsequently, if two students, excluding Joe, leave the group the average weight comes back to 30 kg. What is the … [Read more...]

## Statistics – Range – Problem Solving

10 distinct integers are arranged in ascending order. The range of the first 7 is 25 and that of last 7 is 30. What is the maximum range of the 10 numbers?A. 30B. 25C. 55D. 27E. 52Correct Answer is Choice E. 52. Explanatory AnswerLet the smallest of the 10 numbers be X1 and the largest be X10. … [Read more...]

## GMAT DS – Inequalities, Descriptive Statistics

This data sufficiency question tests your understanding of Inequalities and descriptive statistics.QuestionIs 'b' the median of 3 numbers a, b, and c?1. b/a = c/b2. ab < 0The correct answer is C. Both the statements together are sufficient to answer the question.Explanatory answerWhen the numbers … [Read more...]

## Mean, Median & Mode – Descriptive Statistics

Here is an interesting question from Descriptive Statistics. The question tests your basic understanding of Mean, Median and ModeQuestionAn analysis of the monthly incentives received by 5 salesmen : The mean and median of the incentives is $7000. The only mode among the observations is $12,000. … [Read more...]

## GMAT Descriptive Statistics : Averages

Question If the average of 5 positive integers is 40 and the difference between the largest and the smallest of these 5 numbers is 10, what is the maximum value possible for the largest of these 5 integers? A. 50B. 52C. 49D. 48E. 44 Correct Answer : Choice D. 48 ExplanationThe average of 5 … [Read more...]