The yearly cost in dollars , y, at a video game arcade based on total game tokens purchased, x, is y = 1/10x + 60 for a member a
nd y=1/5x for a nonmember. Explain how the graph of a nonmembers yearly coat woll differ from the graph of a members yearly cost
2 answers:
Answer: The explanation is mentioned below.
Step-by-step explanation:
Since, for the members, the rate of token, y= x/10 + 60 ----(1)
where x represented the number of people.
While the rate of token for non members, the rate is y =x/5 -----(2)
From equation (1) and (2) we can say that the slope of line (1) is 1/10( by comparing given equation with y=mx+c)
while the slope of line (2) is 1/5
Therefore, the slope of (1)<slope of (2) ( which is also shown in graph )
Now, the value of y in case of equation (1) is higher than that of equation (2)
Therefore, The rate for member is greater than rate of non members. ( this is why the graph of equation (1) is higher than that of (2))
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Answer: Mean = 3.5 , median = 2.5, mode = 2, geometric mean = 2.74
Median is the most appropriate measure of central tendency.
The least appropriate = mean
Yes there is an outlier.
Step-by-step explanation:
Given responses : 5, 4, 2, 1, 1, 2, 10, 2, 3, 5.
First arrange them in increasing order,
Its sum = 35
Mean of n observations = (Sum of observations) ÷ n
Mean = (35) ÷ 10
=3.5
Here n =10 (even)
Median = average of middle most numbers =
Mode = most repeated number = 2 (thrice)
geometric mean =
10 is an outlier as it is very large as compare to other numbers.
When outlier is present in data , the median is the most appropriate measure of central tendency.
Mean affected badly by the outlier so it the least appropriate.