supergraciepie
26.02.2021 •
Mathematics
How do write this algebraic expression?
s + 7
Solved
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Ответ:
S=-7
Step-by-step explanation:
-s - 7 = -1 • (s + 7)
2.1 Solve : -s-7 = 0
Add 7 to both sides of the equation :
-s = 7
Multiply both sides of the equation by (-1) : s = -7
Ответ:
Ответ:
The mean, median, and standard deviation of the University of Oregon are $451.33, $467.5, and $113.61 respectively.
The mean, median, and standard deviation of the University of Washington are $396.67, $380, and $56.27 respectively.
Step-by-step explanation:
We are given that a sample of the amount of rent paid for one-bedroom apartments of similar size near the University of Oregon is: $295, $475, $345, $595, $538, $460.
A second sample of the amount of rent paid for one-bedroom apartments of similar size near the University of Washington is: $495, $422, $370, $333, $370, $390.
Firstly, we will calculate the mean, median, and standard deviation for the data of the University of Oregon.
Arranging the data in ascending order we get;
X = $295, $345, $460, $475, $538, $595.
The mean of the above data is given by the following formula;
Mean, =
=
= = $451.33
So, the mean price of rent near the University of Oregon is $451.33.
For calculating the median, we first have to observe that the number of observations (n) in the data is even or odd.
If n is odd, then the formula for calculating median is given by;Median =
If n is even, then the formula for calculating median is given by;Median =
Here, the number of observations is even, i.e. n = 6.
So, Median =
=
=
= = $467.5
Hence, the median price of rent for the University of Oregon is $467.5.
Now, the standard deviation is calculated by using the following formula;
Standard deviation, S.D. =
=
= $113.61
So, the standard deviation for the University of Oregon is $113.61.
Now, we will calculate the mean, median, and standard deviation for the data of the University of Washington.
Arranging the data in ascending order we get;
X = $333, $370, $370, $390, $422, $495.
The mean of the above data is given by the following formula;
Mean, =
=
= = $396.67
So, the mean price of rent near the University of Washington is $396.67.
For calculating the median, we first have to observe that the number of observations (n) in the data is even or odd.
If n is odd, then the formula for calculating median is given by;Median =
If n is even, then the formula for calculating median is given by;Median =
Here, the number of observations is even, i.e. n = 6.
So, Median =
=
=
= = $380
Hence, the median price of rent for the University of Washington is $380.
Now, the standard deviation is calculated by using the following formula;
Standard deviation, S.D. =
=
= $56.27
So, the standard deviation for the University of Washington is $56.27.