Mathematics
In a frequency distribution, mid-values of the class is 10 and width of the class is 6, the lower limit of the class is :
6
7
8
9
Related Questions
The daily wages in a factory are distributed as follows :
Daily wages (in ₹) 125 - 175 175 - 225 225 - 275 275 - 325 325 - 375 Number of workers 4 20 22 10 6 Draw a frequency polygon for this distribution.
Assertion (A): 30 children were asked about the number of hours they watched TV program everyday. The results are recorded as under.
Number of hours Frequency 0 - 5 8 5 - 10 16 10 - 15 4 15 - 20 2 Then the number of children who watched TV for 10 or more hours a day is 22.
Reason (R): The assertion is not correct as the required number is 4 + 2 = 6.
A is true, but R is false.
A is false, but R is true.
Both A and R are true, and R is the correct reason for A.
Both A and R are true, and R is the incorrect reason for A.