1201. Measures of central tendency are known as :

A. S.D
B. Averages *
C. Sum
D. None of these

1202. A single value that represents the average characteristic of its frequency distribution :

A. Quartiles
B. Central tendency *
C. Mean square error
D. Range

1203. The _ of a set of observations or scores is obtained by dividing the sum of all the values by the total number of values :

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

1204. The sum of squares of deviations ofa set of numbers from their mean is minimum is a property of :

A. Arithmetic mean *
B. Geometri mean
C. Harmonic mean
D. Combined mean

1205. The sum of deviations of observations taken from their arithmetic mean is :

A. Maximum
B. Zero *
C. Minimum
D. One

1206. THe sum of squares of deviations from arithmetic mean is :

A. Maximum
B. Zero
C. Minimum *
D. One

1207. Which of the following measures of central location is affected most by extreme values :

A. Mean *
B. Mode
C. Median
D. None of these

1208. When 5 is added to all the observations the mean is :

A. Increased by 5 *
B. Not change
C. Decreased by 5
D. None of these

1209. _______ is a position average :

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

1210. Histogram is useful to locate graphically the value of :

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