# Sandeep Garg Solutions Class 11 Economics Chapter 1 - Organisation of Data

Sandeep Garg Class 11 Economics Solutions Chapter 1 Organisation of Data is illustrated by the professional educator of economics from the contemporary edition of Sandeep Garg Economics Class 11 textbook solutions.

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There are numerous concepts in economics, but here, we provide you with solutions from the Organisation of Data, which will be helpful for the students to score well in the board exams.

## Sandeep Garg Solutions Class 11 – Chapter 1

Question 1

Mentioned below are the marks acquired by 40 employees during their assessment. Arrange the marks in ascending and descending orders.

 10 15 18 15 9 6 5 3 9 6 22 15 12 20 1 5 6 4 10 3 21 12 11 19 3 10 10 26 19 10 10 17 28 22 5 21 17 8 9 11

Answer:

Marks in ascending Order:

1,3,3,3,4,5,5,5,6,6,6,8,8,9,9,10,10,10,10,10,10,11,11,12,12,15,15,15,17,17,18,19,19,20,21,21,22,22,26,28

Marks in descending Order:

28,26,22,22,21,21,20,19,19,18,17,17,15,15,15,12,12,11,11,10,10,10,10,10,10,9,9,8,8,6,6,6,5,5,5,4,3,3,3,1

Question 2

The heights of 36 students (in inches) are given below. Arrange the following data in an individual frequency sequence.

 60 72 68 68 58 55 50 72 55 50 66 66 62 55 66 66 58 72 72 60 55 60 55 58 60 66 72 72 60 68 55 58 65 60 68 55

Answer:

In the form of frequency distribution, the given data can be arranged as follows.

 Heights (in inches) Marks Frequency 50 $\large&space;II$ 2 55 $\large&space;\bcancel{IIII}&space;II$ 7 58 $\large&space;IIII$ 4 60 $\large&space;\bcancel{IIII}&space;I$ 6 62 $\large&space;I$ 1 65 $\large&space;I$ 1 66 $\large&space;\bcancel{IIII}$ 5 68 $\large&space;IIII$ 4 72 $\large&space;\bcancel{IIII}&space;I$ 6 $\sum f$ = 36

Question 3

Find the missing class interval.

 Class-Interval Below 20 20−50 50−90 90−140 More than 140 Frequency 8 11 15 3 5

Answer:

In the above-mentioned question, the class interval has a different width. Therefore, the missing class interval cannot be established.

Question 4

Transfer the given cumulative frequency series to simple frequency series.

 Marks Number of Students Less than 10 12 Less than 30 19 Less than 50 26 Less than 70 48 Less than 90 57

Answer:

The cumulative frequency of ‘less than’ is displayed in ‘simple frequency distribution’ form.

 Class-Interval Frequency 0 – 10 10 – 30 30 – 50 50 – 70 70 – 90 12 19 − 12 = 7 26 − 19 = 7 48 − 26 = 22 57 − 48 = 9

Question 5

From the following data, arrange a frequency distribution table with classes 10-20, 20-30, etc.

 25 10 12 26 10 32 36 31 41 55 22 31 36 38 25 11 12 25 42 48 47 37 45 54 42 35 37 32 65 75

Answer:

In the form of frequency distribution, the given data can be arranged as follows.

 Class interval Tally marks Frequency 10-20 $\large&space;\bcancel{IIII}$ 5 20-30 $\large&space;\bcancel{IIII}$ 5 30-40 $\large&space;\bcancel{IIII}$ $\large&space;\bcancel{IIII}$ 10 40-50 $\large&space;\bcancel{IIII}&space;I$ 6 50-60 $\large&space;II$ 2 60-70 $\large&space;I$ 1 70-80 $\large&space;I$ 1 $\sum f$ = 30

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