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Chapters
2: Multiplication and Division of Integers
3: HCF and LCM
4: Angles and Pairs of Angles
5: Operations on Rational Numbers
6: Indices
7: Joint Bar Graph
8: Algebraic Expressions and Operations on Them
9: Direct Proportion and Inverse Proportion
10: Banks and Simple Interest
11: Circle
12: Perimeter and Area
13: Pythagoras’ Theorem
14: Algebraic Formulae - Expansion of Squares
▶ 15: Statistics
16: Miscellaneous Problems : Set 1
17: Miscellaneous Problems : Set 2
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Solutions for Chapter 15: Statistics
Below listed, you can find solutions for Chapter 15 of Maharashtra State Board Balbharati for Mathematics [English] 7 Standard Maharashtra State Board.
Balbharati solutions for Mathematics [English] 7 Standard Maharashtra State Board 15 Statistics Practice Set 54 [Page 96]
The daily rainfall for each day of a week in a certain city is given in millimetres. Find the average rainfall during the week.
9, 11, 8, 20, 10, 16, 12
During the annual function of a school, a Women’s Self-help Group had set up a snack stall. Their sales every hour were worth Rs 960, Rs 830, Rs 945, Rs 800, Rs 847, Rs 970 respectively. What was the average of the hourly sales?
The annual rainfall in Vidarbha in five years is given below. What is the average rainfall for those 5 years? 900 mm, 650 mm, 450 mm, 733 mm, 400 mm
A farmer bought some sacks of animal feed. The weights of the sacks are given below in kilograms. What is the average weight of the sacks?
49.8, 49.7, 49.5, 49.3, 50, 48.9, 49.2, 48.8
Balbharati solutions for Mathematics [English] 7 Standard Maharashtra State Board 15 Statistics Practice Set 55 [Page 99]
The height of 30 children in a class is given in centimetres. Draw up a frequency table of this data.
131, 135, 140, 138, 132, 133, 135, 133, 134, 135, 132, 133, 140, 139, 132, 131, 134, 133, 140, 140, 139, 136, 137, 136, 139, 137, 133, 134, 131, 140
In a certain colony, there are 50 families. The number of people in every family is given below. Draw up the frequency table.
5, 4, 5, 4, 5, 3, 3, 3, 4, 3, 4, 2, 3, 4, 2, 2, 2, 2, 4, 5, 1, 3, 2, 4, 5, 3, 3, 2, 4, 4, 2, 3, 4, 3, 4, 2, 3, 4, 5, 3, 2, 3, 2, 3, 4, 5, 3, 2, 3, 2
A dice was cast 40 times and each score noted is given below. Draw up a frequency table for this data.
3, 2, 5, 6, 4, 2, 3, 1, 6, 6, 2, 3, 5, 3, 5, 3, 4, 2, 4, 5, 4, 2, 6, 3, 3, 2, 4, 3, 3, 4, 1, 4, 3, 3, 2, 2, 5, 3, 3, 4
The number of chapatis that 30 children in a hostel need at every meal is given below. Make a frequency table for these scores.
3, 2, 2, 3, 4, 5, 4, 3, 4, 5, 2, 3, 4, 3, 2, 5, 4, 4, 4, 3, 3, 2, 2, 2, 3, 4, 3, 2, 3, 2
Solutions for 15: Statistics
Balbharati solutions for Mathematics [English] 7 Standard Maharashtra State Board chapter 15 - Statistics
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Concepts covered in Mathematics [English] 7 Standard Maharashtra State Board chapter 15 Statistics are Frequency Distribution Table, Concept of Representative Values - Average, Concepts of Statistics.
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