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Answer
$M_{ o }=₹ 196$
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Find the values of the following using binomial expansion: $(\sqrt{3}+1)^{5}-(\sqrt{3}-1)^{5}$
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→The frequency distribution of sale of notebooks from a stationery shop in the month of June for the year $2014$ is as follows. Find coefficient of skewness using Karl Pearson’s method.
→| Sale of notebooks (in dozens) | $30$ | $25$ | $21$ | $20$ | $18$ | $16$ | $15$ | $12$ |
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The information of profits (in lakh $₹$ ) of $50$ firms is given below. Find mean profit.
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Profit (Lakh ₹)
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$0-7$ | $7-14$ | $14-21$ | $21-28$ | $28-35$ |
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The data of daily average income (in $₹$ ) for $40$ hawkers of a city are as follows. Prepare an exclusive frequency distribution having classlength $100$ and midvalue of one of the classes as $650$ .
$\text{539 476 513 436 453 670 953 972 691 587}$
$\text{822 999 469 447 442 680 513 560 737 687}$
$\text{1044 891 560 481 478 460 476 563 558 1080}$
$\text{1033 707 660 602 503 493 504 443 550 900}$
→$\text{539 476 513 436 453 670 953 972 691 587}$
$\text{822 999 469 447 442 680 513 560 737 687}$
$\text{1044 891 560 481 478 460 476 563 558 1080}$
$\text{1033 707 660 602 503 493 504 443 550 900}$
The workers in a factory are working in two shifts. Total number of workers is $5000$ . There are $2000$ workers in the first shift. In this shift, among the local workers, the number of male workers is $1200$ and the number of female workers is $300$ . In the second shift, among the local workers, the number of male workers is $2000$ and the number of female workers is $600$ . There are total $1200$ female workers in the factory, of them $500$ female workers are working in the first shift. Present the data in a tabular form.
→Changes in prices of shares during a (lay of $40$ different companies registered at Bombay stock exchange are as follows. Find an inclusive continuous frequency distribution having mid value $—]$ for one of the classes and regular class length as $5$.
$\text{-8 8 7 16 8 22 6 10 -7 5}$
$\text{3 -4 9 -11 11 16 9 -3 -11 2}$
$\text{5 -6 10 -6 13 -5 3 -7 12 0}$
$\text{7 6 12 -5 21 0 4 -10 14 -2}$
→$\text{-8 8 7 16 8 22 6 10 -7 5}$
$\text{3 -4 9 -11 11 16 9 -3 -11 2}$
$\text{5 -6 10 -6 13 -5 3 -7 12 0}$
$\text{7 6 12 -5 21 0 4 -10 14 -2}$
