CBSE Class 11 Economics Averages Assignment

CBSE Class 11 Economics Averages Assignment .Chapter wise assignments are being given by teachers to students to make them understand the chapter concepts. Its extremely critical for all CBSE students to practice all assignments which will help them in gaining better marks in examinations. All assignments available for free download on the website are developed by the best teachers having many years of teaching experience in CBSE schools all over the country. Students, teachers and parents are advised to download the CBSE study material.


1. Calculate mean from the following data: 

Size:             10   20  30   40  50  60

Frequency:     7    8   12   15   5    3


2. The mean of 20 items was found to be 60. If the combined mean of 50 items was 48, find the mean of rest of the 30 items. 

3. The mean of 50 items was found to be 100. Later on one value of 90 was found to be included as 60. Find the correct mean. 

4. Calculate the mean from the following data: 

Marks:        Less than 10       Less than 20     Less than 30     Less than 40

Frequency         10                       16                  24                   30


5. Calculate missing frequency if mean wages are Rs.47.2. 

Weekly Wages:            40- 43    43-46     46- 49   49- 52   52- 55

Workers:                       31          58          60         x           27


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