1241. The average which is defined as reciprocal of arithmetic mean of the reciprocals of the values is called :

A. Mode
B. Geometric mean
C. Median
D. Harmonic mean *

1242. For the given data 2,3,7,0,-8 G.M. will be :

A. Negative
B. Undefined *
C. Zero
D. Positive

1243. Since mode is against the highest frequency in a histogram. for the following series 2,1,4,3,8,1,1,2,2,3,2 mode will be :

A. 1
B. 8
C. 3
D. 2 *

1244. If any value in data set is zero , it is not possible to have:

A. Harmonic mean *
B. Mode
C. Median
D. Arithmetic mean

1245. In a set of 15 values all the value are 7, what is the value of geometric mean :

A. 15
B. 8
C. 7 *
D. None of these

1246. ___________ is a measure of position rather than of magnitude :

A. Mean
B. Median *
C. Range
D. Mode

1247. Median is the average suited for _________ classes :

A. Open end *
B. Close end
C. Both of these
D. None of these

1248. When the given data arranged in increasing or decreasing order of their values , the middle most observation is called :

A. Mean
B. Mode
C. Median *
D. None of the above

1249. Median is same as __________ quartile :

A. First
B. Second *
C. Third
D. Fourth

1250. ________ quartile is also known as lower quartile :

A. First *
B. Second
C. Third
D. Fourth