Mathematics
Related Questions
Find the mean of daily wages of 60 workers in a factory as per data given below:
Daily wages (in ₹) No. of workers 90 12 110 14 120 13 130 11 150 10 The heights (in cm) of 90 plants in a garden are given below :
Height (in cm) Number of Plants 58 20 60 25 62 15 64 8 66 12 74 10 Calculate the mean height.
If the mean of the following data is 18.75, find the value of p.
xi fi 10 5 15 10 p 7 25 8 30 2 The mean age of a group of 40 students is 17.45 years. Find the missing frequencies.
Age (in years) Number of students 15 3 16 ? 17 9 18 11 19 ? 20 3