formula of mode-economics 11th
what are the advantages of diagrammatic presentation of data.(state 3 important points)
difference between individual series and discrete series???????????pls tell me fast???
how to find median in unequal class interval
what is statistical average ?And give any four objectives of statistical average .
The most suitable average for qualitative measurement is
(a) arithmetic mean
(b) median
(c) mode
(d) geometric mean
(e) none of the above
sandeep garg satistics problem solution 11th
WHAT IS STATISTICAL AVERAGE?WHAT DESIRABLE PROPERTIES SHOULD AN AVERAGE POSSESS?
Q.1 Calculate arithmetic mean of the following data :
profit (in rs) : 0-10 10-2020-30 30-40 40-50 50-60
no of shops : 1218 27 20 17 16
Q.2. A candidate obtains 46% marks in english , 67% in mathematics , 50% in hindi 72% in history and 58% in economics . it is agreed to give triple weight to marks in english and double weight to marks in mathematics as compared to other subjects . calculate weighted mean . Also compare it with simple arithmetic mean .
Q.3. Calculate combined mean :
section mean marks no. of students
A 75 50
B 60 60
C 55 50
find the quartile deviation and its coefficients from the following data
x 10 20 3040 50 60 70 80 90 100
f 2 820 35 42 20 28 26 16 2
average income of 50 families is 3000. Of these average income of 12 families is 1800. Find out the average income of the remaining families
what is the difference between individual and discreet series???
pls ans ...fast it is urgent..
formula of mode-economics 11th
what are the advantages of diagrammatic presentation of data.(state 3 important points)
difference between individual series and discrete series???????????pls tell me fast???
how to find median in unequal class interval
what is statistical average ?And give any four objectives of statistical average .
The most suitable average for qualitative measurement is
(a) arithmetic mean
(b) median
(c) mode
(d) geometric mean
(e) none of the above
sandeep garg satistics problem solution 11th
WHAT IS STATISTICAL AVERAGE?WHAT DESIRABLE PROPERTIES SHOULD AN AVERAGE POSSESS?
Q.1 Calculate arithmetic mean of the following data :
profit (in rs) : 0-10 10-2020-30 30-40 40-50 50-60
no of shops : 1218 27 20 17 16
Q.2. A candidate obtains 46% marks in english , 67% in mathematics , 50% in hindi 72% in history and 58% in economics . it is agreed to give triple weight to marks in english and double weight to marks in mathematics as compared to other subjects . calculate weighted mean . Also compare it with simple arithmetic mean .
Q.3. Calculate combined mean :
section mean marks no. of students
A 75 50
B 60 60
C 55 50
find the quartile deviation and its coefficients from the following data
x 10 20 3040 50 60 70 80 90 100
f 2 820 35 42 20 28 26 16 2
average income of 50 families is 3000. Of these average income of 12 families is 1800. Find out the average income of the remaining families
what is the difference between individual and discreet series???
pls ans ...fast it is urgent..