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Recent questions tagged statistics
+3
votes
1
answer
The median of the following observation 11, 12, 14, 18, (x + 4), 30, 32, 35, 41 arranged in ascending order is 24. Find x.
asked
Apr 7, 2019
in
Class 10
by
kratos
class-9
statistics
class-10
icse
+3
votes
1
answer
The mean deviation of the data 3, 10, 10, 4, 7, 10, 5 from the mean is
asked
Apr 6, 2019
in
Class 11
by
kratos
class-11
statistics
+3
votes
1
answer
Five horses are in a race. Mr A selects two of the horses at random and bets on them. The probability that Mr A selected the winning horse, is
asked
Apr 6, 2019
in
JEE
by
kratos
class-11
jee
probability
class-9
class-10
statistics
+3
votes
1
answer
Wrong use of words: The ………. cost ten thousand rupees.
asked
Apr 6, 2019
in
Class 10
by
kratos
integers
know the numbers
class-6
class-10
statistics
+2
votes
1
answer
The runs scored by two teams A and B in first 10 overs are given below:
asked
Apr 6, 2019
in
Class 9
by
kratos
class-8
class-9
statistics
introduction to graphs
+1
vote
1
answer
The relative humidity (in %) of a certain city for a month of 30 days was as follows: 98.1 98.6 99.2 90.3 86.5 95.3 92.9 96.
asked
Apr 6, 2019
in
Class 9
by
kratos
tabular representation
statistical data
class-9
class-7
statistics
+3
votes
1
answer
Find the sum of all integral solutions of the equation 4 logx/2(√x) + 2 log4x(x^2) = 3 log2x(x^3)
asked
Apr 5, 2019
in
JEE
by
kratos
jee
probability
class-9
jee mains
statistics
logarithms
+3
votes
1
answer
The yield of soyabean per acre in the farm of Mukund for 7 years was 10,7,5,3,9,6,9 quintal. Find the mean of yield per acre.
asked
Apr 5, 2019
in
Class 11
by
kratos
class-11
class-5
measures of dispersion
class-9
class-10
weight and volume
statistics
+1
vote
1
answer
What is Step-deviation method?
asked
Apr 5, 2019
in
Class 10
by
kratos
class-10
class-9
statistics
cbse
+3
votes
1
answer
Draw a Histogram and frequency polygon from the following data :
asked
Apr 5, 2019
in
Class 11
by
kratos
histogram
class-8
diagrammatic
statistical data
class-11
presentation of data
class-9
graphical representation
frequency polygon
graphical presentation of data
statistics
bar graph
+1
vote
1
answer
In a housing society, half of the families have a single child per family, while the remaining half have two ******** per family.
asked
Apr 5, 2019
in
Class 11
by
kratos
cbse
class-11
mean
median
measures of central tendency
class-9
class-10
classification and tabulation
mode
statistics
+2
votes
1
answer
A bag contains 8 red *****, 11 blue ***** and 6 green *****. Find the percentage of blue ***** in the bag.
asked
Apr 5, 2019
in
Class 10
by
kratos
class-8
probability
permutations and combinations
class-10
class-9
aiims 2019
statistics
+2
votes
1
answer
Four numbers are chosen at random (without replacement) from the set {1,2,3, ..., 20}.
asked
Apr 4, 2019
in
JEE
by
kratos
jee
probability
class-9
jee mains
statistics
+3
votes
1
answer
If A = [(1, 2), (2, 1)] B = [(2, 0), (1, 3)] and C = [(1, 1), (2, 3)] Calculate AC BC and (A+ B).C. Also verify that (A + B). C = AC + BC.
asked
Apr 4, 2019
in
JEE
by
kratos
properties of triangles
class-11
jee
probability
class-7
jee mains
statistics
construction of triangles
congruent triangles
+1
vote
1
answer
12 ***** are distributed among three boxes. The probability that the first box contains 3 *****, is
asked
Apr 4, 2019
in
JEE
by
kratos
jee
statistics
probability
jee mains
class-12
+2
votes
1
answer
The following table gives the monthly expenditure of two families: Expenditure (in ₹) Items Family A Family B Food 3,500 2,700 Clothing 500 800
asked
Apr 4, 2019
in
Class 10
by
kratos
class-8
mean
median
class-9
class-10
icse
mode
statistics
data handling
+1
vote
1
answer
Skewness may be ----
asked
Apr 4, 2019
in
Mathematics
by
kratos
statistics
business statistics
+2
votes
1
answer
The following pie charts represent the information about the students who got scholarship
asked
Apr 4, 2019
in
Class 12
by
kratos
diagrammatic
class-8
class-11
statistics
graphical presentation of data
class-12
+3
votes
1
answer
The pie chart given below represents the percentage of time spent by students on an average
asked
Apr 3, 2019
in
Class 12
by
kratos
class-8
class-12
statistics
data handling
+1
vote
1
answer
If A and B are two independent events then P(A ∩ B) =
asked
Apr 3, 2019
in
Class 12
by
kratos
class-11
class-12
statistics
probability
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