The value of Σfd is 165, A= 25, and width of class interval is 10, ar – McqOptions

MCQOPTIONS

1.	The value of Σfd is 165, A= 25, and width of class interval is 10, arithmetic mean is 145 then the number of observations are
A.	35
B.	36
C.	34
D.	32
Answer» C. 34

Discussion

No Comment Found

Related MCQs

In an hospital in Boston (USA), the number of heart patients who visited cardiologist in 17 days are 11, 12, 15, 18, 17, 12, 14, 15, 16, 17, 18, 13, 19, 14, 18, 13, 20
The concept used in calculation of index numbers and where smaller observations must be taken into consideration is called
The type of central tendency measures which divides data set into four equal parts is
The product A has per unit contribution of 6 with the sold quantity of 120 units, product B has per unit contribution of 8 with sold quantity of 100 units and product C has per unit contribution of 10 with sold quantity of 130 units then the weighted average mean is
The Σxwis divided by Σwis used to calculate
The calculation of average which is calculated by pooling the data together from different data sets is classified as
The measure of central tendency which is calculated by considering the most frequent occurring value as central value is classified as
The marks of 20 students out of 15 in class test are as 10, 11, 12, 12.5, 13.5, 14, 10, 11, 12, 12.5, 13.5, 14, 8, 9, 9, 8, 10, 11, 11.5, 12.5 then average marks of class is
In the deciles, the central tendency median to be measured must lie in
If value of mode is 14 and value of arithmetic mean is 5 then the value of median is