Regarding the normal curve, true is/are-
Ans. is 'b' i.e., Curve is bilaterally symmetrical o Confidence limit of normal curve can never be 100%; therefore, limbs of curve never touch the baseline. o Mean, Median and mode all coincide --> No skew.
Both limbs of the curve touch the baseline
Curve is bilaterally symmetrical
There is a skew to the right
There is a skew to the left