Tag: mathematical methods for economics

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Multiple choice computer and ms office mathematical methods for economics economics

While evaluating CA CPT papers an examiner has escaped the marks of one of the student while calculating the result summary of his class. However he knew that the average marks of the class was $72\%$ and the marks of the remaining students were $56, 85, 78, 70, 75, 48, 65, 85$ and $75$. The marks of the student were __________.

  1. $83$
  2. $82$
  3. $79$
  4. $81$
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Let the missing mark be x. There are 10 students total. The sum of the 9 known marks is 56+85+78+70+75+48+65+85+75 = 637. The total sum for 10 students with an average of 72% is 720. So, x = 720 - 637 = 83.

Multiple choice computer and ms office mathematical methods for economics economics

A statement of relationship between two quantities is called a/an ____________.

  1. formula

  2. relationship

  3. equation

  4. sum
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

An equation is a mathematical statement that asserts the equality of two expressions, typically linked by an equals sign.

Multiple choice computer and ms office mathematical methods for economics economics

Find the co-efficient of mean deviation from Median from the following data.Median deviation =4.2,Median =21

  1. 0.3

  2. 0.20

  3. 0.25

  4. 0.22
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The coefficient of mean deviation from the median is calculated as (Mean Deviation) / (Median). Here, 4.2 / 21 = 0.20.