Mathematics - Facts, Concepts and Questions

1.  Listed below are the temperature in °C for 10 days.     –6, –8, 0, 3, 2, 0, 1, 5, 4, 4     What is the range of the data? 2.  Find the sum of mode and median of the data:     12, 15, 11, 13, 16, 15, 16, 16, 8, 15, 17, 18, 11, 16, 12, 13 3.  Given below the ages of 40 students in a class. Their ages are as follows:      13, 21, 6, 5, 8, 17, 14, 13, 6, 6, 7, 8, 15, 16, 9, 10, 10, 9, 7, 8, 15, 14, 12, 11, 9, 7, 6, 8, 9, 10, 13, 17, 17, 16, 9, 12, 9, 8, 13, 14 Construct a frequency distribution table with class intervals 5-10, 10-15 etc. 4. The hourly wages (in Rs.) of 40 workers in a company are given below:     30, 35, 90, 10, 35, 36, 69, 45, 98, 89, 82, 86, 35, 83, 85, 35, 38, 88, 84, 75, 65, 70, 55, 78, 69, 82, 47, 32, 85, 95, 30, 36, 92, 12, 34, 76, 64, 25, 48, 99 Construct a frequency distribution table. 5.  The marks scored by 15 students in a math exam are as follows: ...