Mathematics
Related Questions
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.
The mean of the following data is 21.6. Find the value of p.
xi fi 6 5 12 4 18 p 24 6 30 4 36 6 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 Using the assumed mean method, calculate the mean weekly wage from the following frequency distribution :
Weekly wages (in ₹) Number of workers 950 24 1000 18 1050 13 1100 15 1250 20 1500 11 1600 9