hay that no solution because the root is irrational... and this is my answer
The data set below shows the number of homework assignments required in math classes for a month:
2 answers:
Answer:
There is one outlier that indicates an unusually small number of assignments required in that class.
Step-by-step explanation:
Arranging the data is ascending order, we get:
4, 15, 15, 16, 17, 18, 20, 21, 22, 23, 23, 23, 24, 25
Lets divide the data in 4 equal parts to know the IQ ranges.
(4, 15, 15), 16, (17, 18, 20), (21, 22, 23), 23, (23, 24, 25)`
We can see that first interquartile range Q1 is 16
The third interquartile range Q3 is 23.
The IQR is
Lets check the interval [Q1-1.5(IQR),Q3+1.5(IQR)],
If any data lies in this interval, it will have no outliers.
[ = [5.5,33.5]
So, we can see that all the data except 4 lie in the interval [5.5,33.5].
Therefore, we can say that -
B - There is one outlier that indicates an unusually small number of assignments required in that class.
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Refer to a diagram of the normal distribution shown below.
As the z-value increases to the right, areas to the left of z (shown shaded) will increase.
Answer:
As z-values increase, areas to the left of z increase.
As the z-value increases to the right, areas to the left of z (shown shaded) will increase.
Answer:
As z-values increase, areas to the left of z increase.