The range of the following data is equal to .

Q. Which of the following statements are true?
Statement 1: The range of a data set is used to find the spread of data sets.
Statement 2: Range $=$ maximum value $–$ minimum value
Statement 3: Range $=$ minimum value $–$ maximum value

Q. The range of the following data is:
$84,56,39,45,54,39,56,54,84,21,77,56$

Q. What is the range of the following data?

Q. is the range of the following data.
52, 55, 58, 61, 62, 63, 64, 72, 74, 76, 77, 80

Q. is the coefficient of range of the following data.