CBSE Class 11 Economics Statistics Assignment Set A

CBSE Class 11 Economics Statistics Assignment Set A .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. In an examination, 25 students secured the following marks:

23, 28, 30, 32, 35, 35, 36, 40, 41, 43, 44, 45, 45, 48, 49, 52, 53, 54, 56, 56, 58, 61, 62, 65, 68

Arrange these data in the form of frequency distribution using the following class intervals:

20- 29, 30- 39, 40- 49, 50- 59 & 60- 69

2. The following data is of the age of 25 students of class XI. Arrange these data in the form of frequency distribution.

15, 16, 16, 17, 18, 18, 17, 15, 15, 16, 16, 17, 15, 16, 15, 16, 16, 18, 15, 17, 17, 18, 10, 16, 15

3. Students of class XI obtained following marks in Economics. Classify the data in the form of discrete series & continuous series.

15, 15, 18, 16, 20, 21, 25, 25, 15, 16, 18, 22, 24, 25, 20, 18, 22, 24, 24, 25, 25, 23, 20, 15, 16, 17, 19, 18,22, 22.

4. Arrange the following data in the form of an exclusive frequency distribution, using 5- 10 as the initial class interval:

12, 36, 40, 30, 28, 20, 19, 10, 10, 19, 27, 15, 26, 10, 19, 7, 45, 33, 26, 37, 5, 20, 11, 17, 37, 30, 20.

5. Weight of 20 students is given in kgs. Using class interval of 5, make a frequency distribution:

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