CBSE Class 10 Answered
solve
Asked by singhshrey918 | 29 Dec, 2020, 10:23: PM
Expert Answer
(i)
If we multiply each observation by 5, the new mean would be 5 times the original mean.
Therefore, new mean is 
(ii)
The class with the maximum frequency is said to be modal.
(iii)
| Concentration of SO2 (in ppm) | Frequency | Class mark xi | di = xi - 0.14 |  |
fiui |
| 0.00 - 0.04 | 4 | 0.02 | -0.12 | -3 | -12 |
| 0.04 - 0.08 | 9 | 0.06 | -0.08 | -2 | -18 |
| 0.08 - 0.12 | 9 | 0.10 | -0.04 | -1 | -9 |
| 0.12 - 0.16 | 2 | 0.14 | 0 | 0 | 0 |
| 0.16 - 0.20 | 4 | 0.18 | 0.04 | 1 | 4 |
| 0.20 - 0.24 | 2 | 0.22 | 0.08 | 2 | 4 |
| Total | 30 | -31 |
(iv)
The median class of the given data is 0.08 - 0.12
Answered by Renu Varma | 30 Dec, 2020, 11:35: AM
Application Videos
-
Arithmetic Mean of Ungrouped Data
This video explains the Method of finding missing value of the given distri... -
Mean of Grouped Data
This videos explains the concept of Mean of a Continuous Frequency Distribu... -
Finding Mean by Assumed mean method
This video explains a case study question based on finding mean by assum...
-
Mean of grouped data and use of Cumulative frequency
This video explains a case study question based on finding mean bydirect...
-
Mean of Grouped Data
The video explains to find the missing frequency when mean of a grouped ...
Concept Videos
-
Arithmetic Mean of Grouped Data
This video explains how to calculate arithmetic mean of grouped data by usi... -
Arithmetic Mean of Grouped Data
This video explains how to calculate arithmetic mean of grouped data by usi... -
Arithmetic Mean of Grouped Data
This video explains how to calculate arithmetic mean of grouped data by usi...
CBSE 10 - Maths
Asked by amulya2194 | 17 Apr, 2022, 04:46: PM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by prajapatisohil573 | 02 Aug, 2021, 10:03: AM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by 8416mayankkumar | 14 Mar, 2021, 07:35: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by srilakshmikonakanchi91 | 15 Oct, 2020, 09:12: PM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by rituparn69 | 27 Sep, 2020, 10:59: PM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by baladh676 | 04 Sep, 2020, 03:04: PM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by samarpreetsingh076 | 01 Sep, 2020, 08:07: AM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by Anilkumardelhi73 | 13 Jun, 2020, 10:13: PM
ANSWERED BY EXPERT
