1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard IX
Mathematics
Mean
Mode = ?a x k...
Question
Mode = ?
(a)
x
k
+
h
·
(
f
k
-
1
-
f
k
)
(
2
f
k
-
f
k
-
1
-
f
k
+
1
)
(b)
x
k
+
h
·
(
f
k
-
f
k
-
1
)
(
2
f
k
-
f
k
-
1
-
f
k
+
1
)
(c)
x
k
+
h
·
(
f
k
-
f
k
-
1
)
(
f
k
-
2
f
k
-
1
-
f
k
+
1
)
(d)
x
k
+
h
·
(
f
k
-
f
k
-
1
)
(
f
k
-
f
k
-
1
-
2
f
k
+
1
)
Open in App
Solution
(
b
)
x
k
+
h
f
k
-
f
k
-
1
2
f
k
-
f
k
-
1
-
f
k
+
1
Suggest Corrections
1
Similar questions
Q.
For the following marks distribution of 5 students in an examination, match column-I with the datas given in column-II.
Class interval
0-10
10-20
20-30
30-40
No. of students
1
3
0
1
Here,
x
k
=
lower limit of the modal class interval
h
=
width of the class interval
f
k
=
frequency of the modal class
f
k
−
1
=
frequency of the class proceeding the modal class
f
k
+
1
=
frequency of the class succeeding the modal class
Find
A
,
B
,
C
,
D
Q.
Construct
Δ
D
E
F
such that
m
∠
D
F
E
=
120
o
,
D
E
=
8.5
cm, seg
F
K
is the median and length of
F
K
=
3
cm.
Q.
What does the code
F
k
represents?
Q.
Find k, if
f
(
k
)
=
2
k
−
1
and
f
o
f
(
k
)
=
5.
Q.
If
f
(
k
)
=
1
∫
−
1
√
1
−
x
2
√
k
+
1
−
x
d
x
,
then the value of
99
∑
k
=
0
f
(
k
)
π
is
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Mean and Median of Ungrouped Data
MATHEMATICS
Watch in App
Explore more
Mean
Standard IX Mathematics
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Solve
Textbooks
Question Papers
Install app