Question

In an examination Sofia got the following marks. find the average marks obtained by her. eng -95 kannada- 90 hin-92 math-91 science-96 social science-97​

Answer 1

Answer:

The average marks obtained by her = 93.5

Step-by-step explanation:

Given :

In an examination Sofia got the following marks.

• English - 95
• Kannada - 90
• Hindi - 92
• Math - 91
• Science - 96
• Social science - 97

To find :

the average marks obtained by her

Solution :

    $\boxed{\tt Average= \dfrac{sum \ of \ marks}{number \ of \ subjects}}$

⇒ The number of subjects = 6

⇒ Sum of the marks = 95 + 90 + 92 + 91 + 96 + 97

   Sum of the marks = 561

  Average marks = 561/6

  Average marks = 93.5

Therefore, the average marks obtained by her = 93.5

______________________

#Know more :

• Average is the mean value which we get by dividing the sum of observations by the number of observations.
• Consider, we have given n observations x₁, x₂, x₃ ,….., xₙ

       Average = x₁ + x₂ + x₃ + ... + xₙ/n

• There are 3 types of mean,

Arithmetic mean

Geometric mean

Harmonic mean

Answer 2

$\sf{Answer}$

Step-by-step-explanation:-

Given :-

Marks of Sofia in a subjects of

• English = 95marks
• Kannada = 90marks
• Hindi = 92marks
• Math = 91 marks
• Science = 96 marks
• Social science = 97 marks

To find :-

Average marks of Sofia

Formula Implemented:-

Average = $\sf\dfrac{Sum\:of\:observations}{No\:of\:observations}$

Solution:-

Sum of observations = Sum of marks obtained by sofia in all subjects

Sum of observations = English + kannada + hindi + math + sciencw + social science marks

Sum of observations = 95 + 90+92+91+96+97

Sum of observations = 561

No.of observations = How many subjects are there

No.of observations = 6

Average = $\sf\dfrac{Sum\:of\:observations}{No\:of\:observations}$

Average = $\sf\dfrac{561}{6}$

Average = 93.5

Average marks obtained by Sofia is 93.5

______________________

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