Answer:
8 times
Step-by-step explanation:
maybe : maybe not
Answer:
: 
: 
Step-by-step explanation:
It is given the average cost of the flight nationwide is $ 445.99
I wanted to 
to determine that the true average is greater than $ 445.99
Let the hypothesis that the true average is actually greater than $445.99
Therefore,
the 
for the test is :
:
And the alternate hypothesis is :
:
Answer:
$10.80
Step-by-step explanation:
1. Multiply $12 X 10%
2. convert 10% to decimal = .10
3. 12 X .10 = 1.20
4. Subtract 1.20 from 12
5. 12-1.20 = 10.80
Answer:
a) only extreme values are used in its calculation.
Step-by-step explanation:
In a data set, the range is given by the subtraction of it's highest value by it's lowest value.
The disadvantage is that it gives a high weight to extreme values, not focusing on central values. So the correct answer is given by option a
