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Home Questions K2VVJF62FG
Target Exam

CUET

Subject

General Aptitude Test

Chapter

Quantitative Reasoning

Topic

Data Interpretation & Stats

Question:

Find the mean of the following frequency distribution:

 Scores

5

6

7

8

9

 Frequency 

 2 

 1 

 3 

 2 

 2 
Options:

7

9

7.1

7.9

Correct Answer:

7.1

Explanation:

The mean of the following frequency distribution:

 Scores

5

6

7

8

9

 Frequency 

 2 

 1 

 3 

 2 

 2 

Total sum = 5 × 2 + 6 × 1 + 7 × 3 + 8 × 2 + 9 × 2 = 71

Total frequency = 2 + 1 + 3 + 2 + 2 = 10

So the mean of the following frequency distribution = 71/10 = 7.1

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