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Champ Jee
Subject: Maths
, asked on 25/2/18
Q.10. Find the mode of the following data:
Answer
3
Champ Jee
Subject: Maths
, asked on 25/2/18
Ashutosh sir didnt understand your explanation, you didnt tell what deviation is and didnt explain clearly.
Please explain again!
$Thesumofdeviationofasetofvalues{x}_{1},{x}_{2},........,{x}_{n},measuredfrom50is-10andthesumof\phantom{\rule{0ex}{0ex}}deviationofthevaluesfrom46is70.Findthevalueofnandthemean.$
Answer
1
Champ Jee
Subject: Maths
, asked on 25/2/18
Q.4. The mean of 'n' observation is
$\overline{x}$
, if the first term is increased by 1, second by 2 and so on. What will be the new mean?
Answer
1
Champ Jee
Subject: Maths
, asked on 25/2/18
Q1.
Please explain what is sum of deviations and solve the sum.... In an easy manner no links plz.. Take this question a bit personally. Thnx
Q1. The sum of deviations of a set of values x
_{1}
, x
_{2}
, x
_{y}
.............. , y
_{AP}
measured from 50 is – 10 and the sum of deviations of the values from 46 is 70. Find the value of
n
and the mean.
Answer
1
Sambhav Goyal
Subject: Maths
, asked on 25/2/18
Q 21
21.
An incomplete distribution is given as follow, the median is 35 and the sum of all the frequencies is 170. Find missing frequencies
Answer
1
Anjali Srivastava
Subject: Maths
, asked on 25/2/18
Can someone just give me answer for this.
Q.22. An aircraft has 120 passenger seats. The number of seats occupied during 100 flights is given below:
No. of seats
100-104
104-108
108-112
112-116
116-120
Frequency
15
20
32
18
15
Determine the mean number of seats occupied over the flights
Answer
3
Krisha 💫
Subject: Maths
, asked on 25/2/18
No.44
Q.44. If mean of 1, 2, 3, ...., n is
$\frac{16n}{11}$
, then value of n is _______
(A) 11
(B) 10
(C) 12
(D) 15
Answer
1
Anjali Srivastava
Subject: Maths
, asked on 23/2/18
Pls solve.
Q.22. The following table show marks of 85 students of a class X in a school. Find the modal marks of the distrbution :
Answer
2
Hardik Sharma
Subject: Maths
, asked on 23/2/18
Q). Find the median of the following data.
Answer
2
Champ Jee
Subject: Maths
, asked on 23/2/18
Question in the pic...
No links pls.... Thnx
Q.6. If
${x}_{i}$
's are the mid-points of the class intervals of grouped data,
${f}_{i}$
's are corresponding frequencies and
$\overline{x}$
is the mean, find the value of
$\sum _{}\left({f}_{i}{x}_{i}-\overline{x}\right)$
.
Answer
1
K Nagarajan
Subject: Maths
, asked on 22/2/18
2. During the medical checkup of 35 students of a class, their weights were recorded as follows:
Draw a less than type ogive for the given data. Hence obtain the median weight from the graph and verify the result by using the formula.
Answer
5
K Nagarajan
Subject: Maths
, asked on 22/2/18
Can plss any one answer this question
Q). Find the median of the following data by converting into a grouped frequency distribution.
Answer
1
Rhythm Sehgal
Subject: Maths
, asked on 21/2/18
Solve
$4.Incalculatingthemeanofgroupeddata,groupinclassesofequalwidth.wemayusetheformula,\phantom{\rule{0ex}{0ex}}\overline{)x}=a+\frac{{\displaystyle \sum _{}}{f}_{i}{f}_{i}}{{\displaystyle \underset{}{\sum {f}_{i}}}}\phantom{\rule{0ex}{0ex}}Where,aistheassumedmeanamustbeoneofthemidpointsoftheclasses.Isthelaststatementcorrect?Justify\phantom{\rule{0ex}{0ex}}youranswer$
ques4
Answer
1
Gouri Lahoti
Subject: Maths
, asked on 21/2/18
Q.27. Compute the median for the following cumulative frequency distribution.
Answer
2
Harshita
Subject: Maths
, asked on 20/2/18
Pls answer 30th que part 1:
30. The arithmetic mean of the given frequency distribution is Rs 472 and the total number of employees is 100. Find the value of p and q.
Daily income (in Rs)
200-300
300-400
400-500
500-600
600-700
700-800
800-900
No. of employees
5
p
24
q
9
6
4
Answer
4
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Please explain again!

$Thesumofdeviationofasetofvalues{x}_{1},{x}_{2},........,{x}_{n},measuredfrom50is-10andthesumof\phantom{\rule{0ex}{0ex}}deviationofthevaluesfrom46is70.Findthevalueofnandthemean.$

Please explain what is sum of deviations and solve the sum.... In an easy manner no links plz.. Take this question a bit personally. Thnx

Q1. The sum of deviations of a set of values x

_{1}, x_{2}, x_{y}.............. , y_{AP}measured from 50 is – 10 and the sum of deviations of the values from 46 is 70. Find the value ofnand the mean.21.An incomplete distribution is given as follow, the median is 35 and the sum of all the frequencies is 170. Find missing frequenciesQ.22. An aircraft has 120 passenger seats. The number of seats occupied during 100 flights is given below:

Determine the mean number of seats occupied over the flights

Q.44. If mean of 1, 2, 3, ...., n is $\frac{16n}{11}$, then value of n is _______

(A) 11

(B) 10

(C) 12

(D) 15

Q.22. The following table show marks of 85 students of a class X in a school. Find the modal marks of the distrbution :

No links pls.... Thnx

Q.6. If ${x}_{i}$'s are the mid-points of the class intervals of grouped data, ${f}_{i}$'s are corresponding frequencies and $\overline{x}$ is the mean, find the value of $\sum _{}\left({f}_{i}{x}_{i}-\overline{x}\right)$.

2. During the medical checkup of 35 students of a class, their weights were recorded as follows:

Q). Find the median of the following data by converting into a grouped frequency distribution.

30. The arithmetic mean of the given frequency distribution is Rs 472 and the total number of employees is 100. Find the value of p and q.