NEW
Font size
WorksheetsBBA Sem 2 Business Statistics
Total questions: 20
Worksheet time: 16mins
77, 83, 83, 85, 87, 90, 90, 93, 94, 99, 99
Find the ARITHMETIC MEAN
77, 83, 83, 85, 87, 90, 93, 94, 99, 99
77
89
90
86
Find the MODE of the numbers:
2, 4, 5, 5, 6, 8, 6, 2, 4, 6, 8
6
4
5
2
What is the standard deviation for the data given:
5, 10, 15,
4.88
5.18
4.08
9.18
What is the formula for Arithmetic Mean?
∑fx/N
l+((h/f)*(N/2-c))
l +h (f1-fo)/(2f1-fo-f2)
fd^2/n
What is the formula for Median?
l +h (f1-fo)/(2f1-fo-f2)
l+((h/f)*(N/2-c))
fx/n
fd^2/n
What is the formula for Mode?
l+((h/f)*(N/2-c))
fx/n
fd^2/n
l +h (f1-fo)/(2f1-fo-f2)
What is the formula for Coefficient of Range ?
(L+S)/(L-S)
L-S
(L-S)/(L+S)
(L-S)X(L+S)
What is the formula for Coefficient of Quarile Deviation ?
(Q3-Q1)/(Q3+Q1)
(Q3+Q1)/(Q3-Q1)
(Q3XQ1)/(Q3+Q1)
(Q3-Q1)X(Q3+Q1)
What is the formula for for Mean by assumed mean method?
fx/n
A+fx/n
AM+Sigma fd/n
AM-Sigma fd/n
If coefficient of correlation is 1, it means
Perfect positive correlation
Relative positive correlation
Perfect negative correlation
Relative positive correlation
If the less than cumulative frequency is 5, 12, 20, what is the frequency of the second class (group)?
5
7
8
12
If the more than cumulative frequency is 20, 15, 8, what is the frequency of the first class (group)?
5
7
8
20
Which of the following is a measure of central tendency?
Standard Deviation
Variance
Arithmetic Mean
Mean Deviation
Which of the following is a measure of dispersion?
Mean
Median
Mode
Standard Deviation
If a=100, b= -0.5 and Price is 10, What is the demand?
105
95
90
85
Intersection of less than frequency curve and more than frequency curve indicates
Mean
Median
Mode
Mean Deviation
Quartile 1 is ____ ___ Median
equal to
half of
double of
one fourth of
10 students have appeared for economics and statistics tests. 7 have passed in economics and 5 have passed in both the tests. No of students passed only in Economics and failed in Statistics is
5
3
2
6
