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4 years ago

Can someone please explain how to do this problem?

Mathematics

2 answers:

GarryVolchara [31]4 years ago

3 0

For x= -1, find -1 on the x axis and draw a vertical line. For y=6, look for 6 on the y axis and draw a horizontal line.

ryzh [129]4 years ago

3 0

You have to put the two numbers on the graph where they have to go. The six goes on the y axis(it's the line going up and Down) and you put the -1 on the x axis (which is the horizontal line, going left to right)

Hope this helps

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Standard deviation for owner-occupied units

2.9797

Standard deviation for renter-occupied units

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Step-by-step explanation:

Let us find first the mean. This is the distribution expected value or expectancy.

Mean for owner-occupied units

0.003 + 2*0.002 + 3*0.023 + 4*0.102 + 5*0.209 + 6*0.223 + 7*0.201 + 8*0.149 + 9*0.053 + 10*0.035 = 6.293

To compute the variance for owner-occupied units, we add these values

$(1-6.293)^2+(2-6.293)^2+(3-6.293)^2+(4-6.293)^2+(5-6.293)^2$

$+(6-6.293)^2+(7-6.293)^2+(8-6.293)^2+(9-6.293)^2+(10-6.293)^2$

then divide by 10 and take the square root to get the standard deviation 2.9797

Mean for renter-occupied units

0.008 + 2*0.027 + 3*0.287 + 4*0.371 + 5*0.155 + 6*0.090 + 7*0.043 + 8*0.013 + 9*0.003 + 10*0.003 = 4.184

To compute the variance for renter-occupied units, we add these values

$(1-4.184)^2+(2-4.184)^2+(3-4.184)^2+(4-4.184)^2+(5-4.184)^2$

$+(6-4.184)^2+(7-4.184)^2+(8-4.184)^2+(9-4.184)^2+(10-4.184)^2$

then divide by 10 and take the square root to get the standard deviation 4.184

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