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faust18 [17]
3 years ago
11

A survey asked eight people about their wages and educational background. The table shows the hourly wages reported by people wi

th and without a high school diploma. A 2-column table with 4 rows. Column 1 is labeled No high school diploma with entries 10.00, 9.50, 11.50, 13.00. Column 2 is labeled High School Diploma with entries 19.00, 15.25, 14.00, 15.75. Use the information to complete the statements. The mean absolute deviation for people without a high school diploma is . The mean absolute deviation for people with a high school diploma is . The data for people without a high school diploma are more the mean than the data for people with a high school diploma.
Mathematics
2 answers:
svet-max [94.6K]3 years ago
7 0

Answer:The first one is 1.25 the second one is 1.5 ald the 3 one is clustered around

Step-by-step explanation:

it is very easy

olganol [36]3 years ago
5 0

Answer:

1:1.25      2: 1.5    3: clusterd around

Step-by-step explanation:

i am smarte

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Step-by-step explanation:

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3 years ago
PLS HELP ME!!! which matrix represents the system of equations below {8x-9y+13z=11
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Answer:

The answer is below

Step-by-step explanation:

The system of equations:

8x-9y+13z=11

-8x-5y+5z=15

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The equations can be represented in matrix form as:

AX = B

X = A⁻¹B

Therefore:

\left[\begin{array}{ccc}8&-9&13\\-8&-5&5\\3&4&-8\end{array}\right] \left[\begin{array}{c}x\\y\\z\end{array}\right] =\left[\begin{array}{c}11\\15\\-10\end{array}\right]\\\\\\\left[\begin{array}{c}x\\y\\z\end{array}\right]=\left[\begin{array}{ccc}8&-9&13\\-8&-5&5\\3&4&-8\end{array}\right] ^{-1}\left[\begin{array}{c}11\\15\\-10\end{array}\right]\\

\left[\begin{array}{c}x\\y\\z\end{array}\right]=\left[\begin{array}{ccc}\frac{1}{19} &-\frac{1}{19}&\frac{1}{19}\\-\frac{49}{380}&-\frac{103}{380}&-\frac{36}{95} \\-\frac{17}{380}&-\frac{69}{380}&-\frac{28}{95} \end{array}\right] \left[\begin{array}{c}11\\15\\-10\end{array}\right]\\\\\\\left[\begin{array}{c}x\\y\\z\end{array}\right]=\left[\begin{array}{c}-0.74\\-1.69\\0.13\end{array}\right] \\

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2 years ago
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