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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 median of the distribution?

A

3.5

B

4

C

4.5

D

5

Text Solution

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The correct Answer is:
B
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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 mean of the distribution?

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?

Number of telephone cells received in 245 succesive one minute intervals at an exchange is given belwo in the following frequency distribution. {:("Number of calls",0,1,2,3,4,5,6,7),("Frequency",14,21,25,43,51,40,39,12):} What is the median of the distribution?

Number of telephone cells received in 245 succesive one minute intervals at an exchange is given belwo in the following frequency distribution. {:("Number of calls",0,1,2,3,4,5,6,7),("Frequency",14,21,25,43,51,40,39,12):} What is the mode of the distribution?

Number of telephone cells received in 245 succesive one minute intervals at an exchange is given belwo in the following frequency distribution. {:("Number of calls",0,1,2,3,4,5,6,7),("Frequency",14,21,25,43,51,40,39,12):} What is the mean of the distribution?

The number of telephone calls received at an exchange per interval for 250 successive one-minute intervals are given in the following frequency table: No. of calls (x) : 9 1 2 3 4 5 6 No. of intervals (f) : 15 24 29 46 54 43 39 Compute the mean number of calls per interval.

The following table gives the frequency distribution of number of peas per pea pod of 198 pods : What is the median of this distribution ?

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PUNEET DOGRA-STATISTICS-PRE YEAR QUESTIONS
  1. p, q, r, s and t are five numbers such that the average of p. q and r ...

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

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

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

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

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

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

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

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

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

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

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

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  15. BOD is measure of

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

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

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

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

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

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