Mathematics
Statement 1: The mean of 100 observation is 50 and one of these observation is increased by 150, the sum of resulting observation is 100 x 50 + 150.
Statement 2: The sum of resulting observation = 100 x 50 + 100.
Both the statements are true.
Both the statements are false.
Statement 1 is true, and statement 2 is false.
Statement 1 is false, and statement 2 is true.
Related Questions
26, x + 4, x + 2 and 18 are in descending order of their values and their median is 20, then the value of x is :
19
17
15
13
Assertion (A): The mean of x1, x2 and x3 is m. Then the value of (x1 - m) + (x2 - m) + (x3 - m) = 0.
Reason (R): x1 + x2 + x3 = 3m
⇒ (x1 - m) + (x2 - m) + (x3 - m) = (x1 + x2 + x3) - 3m
A is true, but R is false.
A is false, but R is true.
Both A and R are true, and R is the correct reason for A.
Both A and R are true, and R is the incorrect reason for A.