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P

Poonam 05/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Measures of Central Tendency

Find the median of 25, 34, 31, 23, 22, 26, 35, 29, 20, 32?

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Jainam 05/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Measures of Central Tendency

The following data have been arranged in ascending order of magnitudes: 59, 62, 65, x, x + 2, 72, 85, 94. If the median of the data is 69. Find the value of x?

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Vijay 05/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Measures of Central Tendency

The mean of 10, 12, 16, 20, p and 26 is 17. Find the value of p?

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R

Reshma 05/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Measures of Central Tendency

The demand of different shirt sizes are given below. Find the modal shirt sizes:


Size
38
39
40
41
42
43
44
No. of persons
26
39
20
15
13
7
5

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K

K 05/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Measures of Central Tendency

The following observations have been arranged in the ascending order. If the median of the data is 63. Find x: 29, 32, 48, 50, x, x +2, x +3, 72, 78, 84, 95?

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Reshma 05/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Measures of Central Tendency

Verify the empirical formula for the following data: 2, 3, 2, 5, 6, 3, 4, 7, 4, 9?

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M

Millennium 05/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Measures of Central Tendency

What is the mean of all factors of 12?

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A

Aman 05/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Measures of Central Tendency

What is the mean of the following data: x, (x + 1), (x + 2), (x + 3), (x + 4)?

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K

Khushwunder 05/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Measures of Central Tendency

The mean of 8 observation is 30. If an observation 23 is deleted, then what is the value of new mean?

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M

Malvika 05/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Measures of Central Tendency

What is the value of x, if the median of the arranged observations 5, 7, 10, (x + 4), ( x + 6), 18, 20, 22 is 16?

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R

Ravi Shankar 06/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Graphical Representation of Data

Define histogram with respect to graphical representation?

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B

Bharamani 06/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Graphical Representation of Data

What is the formula for finding class mark for a class interval?

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J

Jewel 06/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Graphical Representation of Data

The class marks distribution are 37, 42, 47, 52, 57. Determine the class size and the class limits of the last class mark?

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Naina 06/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Graphical Representation of Data

How does the procedure of drawing a histogram differ when class intervals are unequal in comparison to equal class intervals in a frequency table?

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U

Utpal 06/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Graphical Representation of Data

What is the formula for finding the mean of group data?

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K

Kalpana 06/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Graphical Representation of Data

What is the formula for finding the mean of a grouped data with class interval as direct method?

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S

Santosh 06/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Graphical Representation of Data

What is the formula for finding mean as assume mean method?

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N

Nimesh 06/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Graphical Representation of Data

What is the formula for finding the mode of a grouped data?

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S

Srinitha 06/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Graphical Representation of Data

The wickets taken by a bowler in 10 cricket matches are as follows:
2, 6, 4, 5, 0, 2, 1, 3, 2, 3. Find the mode of data?

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R

Rema 06/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Graphical Representation of Data

What is the formula for median of even observation?

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I

Isha 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

Show previous answers

Rajendran replied | 25/11/2016

y = mx + c where, c is the y intercept.
we have -4x +6y = -12
6y = 4x - 12
y = (4x/6) - 12/6
y = (4x/6) - 2.
Therefore y intercept = -2.

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N

Nareshreddy M replied | 27/11/2016

Equation of line in intercept form is (x/a)+(y/b)=1;
Where, a is x intercept and b is y intercept.
Divide equation by ( -12) so that RHS =1.
(X/3)+(Y/-2)=1.
Y intercept is -2

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Answer

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S

Show previous answers

Saurabh replied | 04/12/2016

n= 34.

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Manikandan replied | 08/12/2016

a=7, l=205, d=6 then number of terms in A.P =(l-a)/d +1
=(205-7)/6 +1
=198/6 +1
=33 +1
n=34.

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V

Show previous answers

Birenkumar replied | 25/11/2016

Short method:
The difference between side1 and side 2 is Two and area is 195 so we can do multiplication of side 1 and side 2 up to getting area 195 base area of rectangle = side1×side2 (formula).
Such as 10×12=120 (not answer)
11 x 13 =141(not answer)
13×15 =195 (answer)
Side1 = 13 side2=15.

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Daljit Kaur replied | 25/11/2016

13cm, 15cm

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U

Usha 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

Simplify (8 * cube of x) / (2 * cube of x)?

0 0 3

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Sarvajeet replied | 23/11/2016

2.

0 0

Rajendran replied | 25/11/2016

8*cube of x/2*cube of x = 8/2 = 4.

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B

Basundhara 03/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Algebra

Simplify [square of (- square of a * cube of b)] * (square of c)?

0 0 3

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Daljit Kaur replied | 25/11/2016

(Fourth power of a) (sixth power of b) (c square).

0 0

Mamata replied | 29/11/2016

Square of ( -a^2b^3) ) c^2
= a^4b^6c^2
= a fourth b sixth c squares.

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