MathCastle
Grade 6ChallengeStatistics

Statistics · Challenge problem

A dot plot shows 1010 dots: 22 dots above 11, 33 dots above 22, 22 dots above 33, 11 dot above 44 and 22 dots above 55. One more dot is added above some whole number, and now the mean of the 1111 values equals their median. Above which number is the new dot?