Question

5. In a frequency distribution, the class mark of a class is 10. If the width of the class is 6, then
what is the lower limit of the class?
(NCERT Exemplar
6. What is the range of the data 29, 14, 27, 18, 9, 15, 45, 61?
(NCERT Exemplar
7. What is the class-mark of the class 120-140?
8. The class-mark of a class is 10 and class width is 6. What is the upper limit of the class is
[NCERT Exemplar
9. In a frequency, the class width is 4 and the lower limit of the first class is 10. What is the
upper limit of the sixth class?
10. The class marks of a distribution are 10, 15, 20, 25, ..... 40. What is the class correspond
to 20?
please solve all the questions ​

Answer 1

Step-by-step explanation:

5 :- 7

6