RS Aggarwal Solutions Chapter 14 Statistics Ex 14F in PDF for Free Download
Find the mean of daily wages of 60 workers in a factory as per data given below :
The following table shows the weights of 12 workers in a factory :
The following data given the number of boys of a particular age in a class of 40 students.
Calculate the mean age of the students.
Find the mean of the following frequency distribution :
If the mean of the following frequency distribution is 8, find the value of p.
Mean = 8
Find the missing frequency p for the following frequency distribution whose mean is 28.25.
Mean = 28.25
Find the value of p for the following frequency distribution whose mean is 16.6.
Mean = 16.6
Find the missing frequencies in the following frequency distribution, whose mean is 50.
Mean = 50
Use the assumed-mean method to find the mean weekly wages from the data given below:
Use the assumed-mean method to find the mean height of the plants from the following frequency-distribution table:
Let assumed mean = 67
Use the step-deviation method to find the arithmetic mean from the following data.
Here h = 1, Let assumed mean (A) = 21
The table given below gives the distribution of villages and their heights from the sea level in a certain region
Compute the mean height, using the step-deviation method.
Here h = 400 and let assumed mean (A) = 1000