It is incorrect because when you times a negative by a positive. It is a negative number.
(x-1)² = 50
x-1 = <span>±</span>√50
x-1 = -5√2 or x-1 = 5√2
x = 1-5√2 x = 1+5√2
Answer:
10.5
Step-by-step explanation:
there are 2 middle values when you have an even number of data items so you must take their average
(10+11)/2 = 21/2 = 10.5
