Mean of Ungrouped Frequency Distribution by Assumed Mean Method
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Q. Find the mean of the following frequency distribution using assumed mean method:![](https://search-static.byjusweb.com/question-images/byjus/infinitestudent-images/ckeditor_assets/pictures/489928/original_Capture.PNG)
- 17.7
- 18.8
- 19.9
- 19
Q.
Calculate the Mean of the given distribution, using Assumed mean Method.
MarksNo. of Students10−20220−30630−401040−501250−60960−70870−80480−903
- 48.89
- 46.5
- 55
- 52.11
Q. The following data give the number of boys of a particular age in a class of 40 students. Calculate the mean age of the students by assumed mean method.
Age (in years) Number of students
Age (in years) Number of students
13 | 3 |
14 | 8 |
15 | 9 |
16 | 11 |
17 | 6 |
18 | 3 |
- 17.25
- 15.45
- 16.55
- 18.35