Question

1. There are 20 students in a class. The teacher. Ms. Jolly asked the students to tell their favorite subject. The results are as follows Mathematics, English, Science, Science, Mathematics, Science, English, Art, Mathematics. Mathematics, Science, Art, Art, Science, Mathematics, Art, Mathematics, English, English, and Mathematics.

Represent this data in the form of frequency distribution and state the most likely subject from the list.

2 Explain by giving example of each kind

i) Descriptive Statistics

ii) Inferential Statistics

3.

Explain the Spearman's Rank Correlation Coefficient with example Find the Rank Correlation Coefficient for the following data

4

Student Name

Rank in A

Rank in B

1

3

2

3

4

2

6

7

7

9

8

8

9

6

5

4

7

1

1

4

5

5

3

2

8

9

6​

Answer 1

Step-by-step explanation:

देयर आर टू लर्न इन द क्लास टीचर मिस्टर जालिया एसटीडी स्टूडेंट्स टू टेल योर फेवरेट सब्जेक्ट टीचर एंड फॉलो मैथ इंग्लिश साइंस साइंस मैथ साइंस इंग्लिश 8 मैथ मैथ साइंस 8 8 साइंस मैथ 8 मैथ इंग्लिश इंग्लिश मैथ रिप्रेजेंट्स डाटा इन द फ्रॉम द फ्रीक्वेंसी डिस्टिक एंड स्टेट द मोस्ट लाइक्ली सब्जेक्ट फ्रॉम द लिस्ट

Answer 2

15 students does not like the subject Mathematics.

Given:

Number of students who like english = 2

Number of students who like hindi = 6

Number of students who like science = 1

Number of students who like social science = 3

Number of students who like mathematics = 5

Number of students who like sanskrit = 3

To find: Dislikers of Mathematics
Solution:

• Average : In Maths, an average of upper class of dossier is the verbalization of the principal worth of a set of dossier.
• Mathematically, it is delimited as the percentage of summary of all the dossier to the number of parts present in the list. In agreements of enumerations, the average of a likely set of mathematical dossier is otherwise known as mean.

• For example, the average of 2, 3 and 4 is (2+3+4)/3 = 9/3 =3. So in this place 3 is the main profit of 2,3 and 4.  Thus, the message of average search out find the mean worth of a group of numbers.
  
  

Total Number of students in the class

$= (2 +6 +1 +3 +5 +3)\\=20$

From the bar graph,

The students who prefer Mathematics = 5

Hence, students who do not like Mathematics = $20 - 5 = 15$

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