In a frequency distribution, the mid value of a class is 10 and the width of the class is 6. The lower limit of the class is:
Choose the correct answer in each of the following questions: In a frequency distribution, the mid-value of a class is 10 and width of each class is 6. The lower limit of the class is (a) 6 (b) 7 (c) 8 (d) 12