Hard · Mean, Median, and Mode

Hard Mean, Median, and Mode Questions

This page lists the 7 hard-difficulty questions on Mean, Median, and Mode, one row per record in the site's question bank (data/questions.json), with each question's score band.

By score band: 600-700 1 of 7, 700-800 6 of 7. The Mean, Median, and Mode topic page carries all 25 questions on this topic; the other difficulty hubs are easy, medium and hard.

Question	Band
The values 16, 4, 8, 15, 14, 21, 13 were recorded in a science experiment. What is the mean of the data set?	600-700	Open
The values 1, 29, 1, 19, 22, 29, 3, 17 were recorded in a survey. What is the median of the data set?	700-800	Open
The values 8, 22, 21, 24, 19 were recorded in a science experiment. What is the mean of the data set?	700-800	Open
The values 25, 10, 9, 18, 6, 5 were recorded in a survey. What is the median of the data set?	700-800	Open
The values 27, 20, 7, 27, 23, 20, 26 were recorded in a science experiment. What is the mean of the data set?	700-800	Open
The values 15, 4, 6, 18, 30, 20, 23, 3 were recorded in a survey. What is the median of the data set?	700-800	Open
The values 7, 2, 24, 9, 22 were recorded in a science experiment. What is the mean of the data set?	700-800	Open