The standard deviation for the above results (A) 2.49 (B) 2.45 (C) 2.52 (D) 2.40

The standard deviation for the above results
(A) 2.49
(B) 2.45
(C) 2.52
(D) 2.40

SouravAugust 20, 2024

Answer

Answer: (A) 2.49
The standard deviation calculation as shown is approximately 2.49.

1st

Sourav

Score: 90%

Questions: 20

2nd

Priyanka

Score: 90%

Questions: 10

3rd

Vesnce

Score: 45%

Questions: 20

4th

Hector

Score: 40%

Questions: 10

Click "Create Mock Test" to start a quiz.
Select categories and the number of questions, then click "Submit" to begin.
After completing the quiz, enter your name and email, then click "Submit" to view your score.
Your score is shown as a percentage (e.g., 5 correct out of 10 is 50%).
The leaderboard displays your name, score percentage, and total questions answered.