The mean of 50 observations was calculated as 75. It was later found that one of the observations was misread as 173 instead of 113. The correct mean is
Difference = 173 – 113 = 60 Decrease in average = 60/50 = 1.2 Correct mean = 75 – 1.2 = 73.8
Quantum Theory was discovered by?
S.I unit of Luminous Intensity is
What is the pH of Urine ?
UNO was established on?
Temperature of the Sun is measured by?
Which one of the following animals can hear ultrasonic sound?
In which of the following processes is energy released?
Adhesive force is the force of
Cell was discovered by
During __________ motion of an object along a straight line, the change in velocity of the object for any time interval is zero.