the square root of the mean of squares of deviations of observations from their mean is called
Avariance
Bstandard deviation
Crange
Dmean deviation
Avariance
Bstandard deviation
Crange
Dmean deviation
Related Questions:
The table classifies 40 persons who took a test according to the marks they scored: Calculate the mean marks scored.
Marks | Persons |
0 - 10 | 4 |
10 - 20 | 6 |
20 - 30 | 16 |
30 - 40 | 8 |
40 - 50 | 6 |
ആപേക്ഷിക പ്രകീർണനമാനങ്ങളുടെ സവിശേഷത അല്ലാത്തത് തിരഞ്ഞെടുക്കുക: