Answer:
(A) The mean will decrease more than the median.
Step-by-step explanation:
$500 is much more than the mean of $93.80, so removing it from the data set will decrease the mean significantly. The median of $75.80 will move to the next smaller number, so the change will be small or even none.
Answer:
see below
Step-by-step explanation:
Closed under addition, subtraction and multiplication
Not closed under division :-
for example 3/4 = 0.75 which is not an integer
Answer:
Obtuse
Step-by-step explanation:
CEB is and obtuse angle because it is wider than a right angle ( example: L )
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