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The number of telephone calls received i...

The number of telephone calls received in 245 successive one minute intervals at an exchange is given below in the folowing frequecny distribution

What is the mode of the distribution?

A

3

B

4

C

5

D

6

Text Solution

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The correct Answer is:
B
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PUNEET DOGRA-STATISTICS-PRE YEAR QUESTIONS
  1. The number of telephone calls received in 245 successive one minute in...

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  2. The number of telephone calls received in 245 successive one minute in...

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  3. The number of telephone calls received in 245 successive one minute in...

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  4. Which of the following statements are correct regarding the molecular ...

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  5. In a less than cumulative frequency distribution, frequency and cumula...

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  6. The mean and standard diviation of 100 items are 50,5 and of 150 items...

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  7. The mean and standard deviation of 6 observations are 8 and 4 respecti...

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  8. The mean and standard deviation of 100 items are 50, 5 and that of 150...

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  9. if the regression coefficient of Y on X is4/3,then the regression coef...

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  10. The mean of 20 observations is 15. On checking, it was found that two ...

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  11. The arithmetic mean of the square of the first n natural number is. (...

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  12. Consider the following statements I. Both the regression coefficien...

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  13. Which one of the following measures is determined only after the const...

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  14. BOD is measure of

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  15. What is the variance of first 11 natural numbers?

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  16. Consider the following statements in respect of histogram. I. The al...

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  17. Consider the following statements in respect of a histogram: 1. The ...

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  18. The variance of 20 observations is 5. If each observation is multiplie...

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  19. The marks obtained by 13 students in a test are 10, 3, 10, 12. 9. 7. 9...

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  20. Consider the following statements: I Both variance and standard devi...

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