Answer:
.434
Step-by-step explanation:
Answer:
x = 117
Step-by-step explanation:
Given
11 -
= 0 ( subtract 11 from both sides )
-
= - 11 ( square both sides )
(-
)² = (- 11)²
x + 4 = 121 ( subtract 4 from both sides )
x = 117
8, 14, 12, 17, 4, 6, 2
Mean = average = (8+ 14 + 12 + 17 + 4 + 6 + 2) / 63 = 63/7 = 9
Answer
Mean = 9