Find the mean of the following frequency...

Find the mean of the following frequency distribution:

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Find the median of the following frequency distribution : {:("Weekly wages (in ₹) ","Number of workers "),(" "60-69," "5),(" "70-79," "15),(" "80-89," "20),(" "90-99," "30),(" "100-109," "20),(" "110-119," "8):}

If the mean of the following frequency distribution is 7.2 find value of 'K'.

Calcualte the mean deviation about the mean for the following frequency distribution:

If the mean of the following frequency distribution is 26.7, find the missing frequency f:

The mean of the following frequency distribution of 125 observations is 22.12 . Find the missing frequencies {:(" Class ",0-4,5-9,10-14,15-19,20-24,25-29,30-34,35-39,40-44),("Frequency "," "3," "8," "12," "-," "35," "21," "-," "6," "2):}

find the mean of the following data.

The mode of the following frequency distribution of 165 observations in 34.5 {:(" Class ",5-14,14-23,23-32,32-41,41-50,50-59,59-68),(" Frequency "," "5," "11," "a," "53," "b," "16," "10):} Find the values of a and b .

Find the mean and standard deviation for the following frequency distribution:

KUMAR PRAKASHAN-STATISTICS-SKILL TESTING EXERCISE

The weights (in kg) of 30 girls of Primestreet Society are as below: ...
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The marks scored by 40 students in a 60 mark test of english are as fo...
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The information on the height (in cm) of 30 children is given below : ...
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The following data on the number of girls (to the nearest ten) per tho...
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Draw a histogram for the frequency distribution :
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100 surnames were randomly picked up from a local telephone directory ...
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Draw a frequency polygon for the following frequency distribution :
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The weight (in kg) of seven students are given below: 35, 30, 42, 36, ...
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The information regarding the marks scored by 30 students in a 20 mark...
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The height (in cm) of 100 students of a school are tabulated below: ...
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Find the median of the observations 13, 9, 15, 8, 6, 3.
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Find the median of the observations 12, 41, 34, 26. 31, 22, 10.
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Find the mode of the observations 17, 10, 13, 18, 22, 13, 26, 9, 13, 1...
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Find the mode of the observations 25, 20, 16, 12, 20, 16, 19, 23, 31, ...
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Find the mean, the median and the mode of the observations 24, 12, 15,...
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Some observations are arranged in the ascending order as 9, a +3, a +7...
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The mean of 5 observations is 20. Including one new observation, the m...
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The mean of 10 observations is 28. If 2 is added to each observation a...
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Find the mean of the following frequency distribution:
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If the mean of the following frequency distribution is 26.7, find the ...
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