How can u classfiy a quadulaterl
2 answers:
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For this case we have the following equations:
We must find
By definition of composition of functions we have to:
So:
We must find the domain of f (g (x)). The domain will be given by the values for which the function is defined, that is, when the denominator is nonzero.
So, the roots are:
The domain is given by all real numbers except 0 and 3.
Answer:
x other than 0 and 3
Answer:
See explanation below.
Step-by-step explanation:
Numerical way
We can calculate the mean and the standard deviation from a sample with the following formulas:
We have the following dataset for women: 34,34,26,37,42,41,35,31,41,33,30,74,33,49,38,61,21,41,26,80,72
And the mean and deviation are:
We can calculate the median ordering the data like this:
21,26,26,30,31,33,33,34,34,35,37,38,41,41,41,42,49,61,72,74,80
And the median would be on the 11 position of the data ordered, for this case is:
And the range is given by:
We can also calculate the coefficient of variation given by:
We have the following dataset for men:
43, 40,48,48,56,38,60,32,40,42,37,76,39,55,45,35,61,33,51,32,42
And the mean and deviation are:
We can calculate the median ordering the data like this:
32, 32,33,35,37,38,39,40,40,42,42,43,45,48,48,51,55,56,60,61,76
And the median would be on the 11 position of the data ordered, for this case is:
And the range is given by:
We can also calculate the coefficient of variation given by:
We se that the mean for the male groups is higher than the mean for female group. The deviation is higher for the female group comapred to the male group. We have more variation for the female group as we can see on the range and the coeffcient of variation.
Graph
We can see the histograms for each group on the figures attached.
As we can see the histogram for males is skewed to the right with the median lower than the mean.
By the other hand the histogram for the female group seems to be skewed to the right also but with missing values on the interval 50-60, for this reason we have more variation compared to the male group.
