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bogdanovich [222]
2 years ago
10

The following data is looking at how long it takes to get to work. Let x = commuting distance (miles) and y = commuting time (mi

nutes) x 15 16 17 18 19 20 y 42 35 45 42 49 46
a. Give a scatterplot of this data and comment on the direction, form and strength of this relationship.
b. Determine the least-squares estimate equation for this data set.
c. Give the r2, comment on what that means.
d. Give the residual plot based on the least-squares estimate equation.
e. Test if this least-squares estimate equation specify a useful relationship between commuting distance and commuting time.

Mathematics
1 answer:
My name is Ann [436]2 years ago
8 0

Answer:

Explanation has been given in the attachment.

Step-by-step explanation:

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Answer:

Scatter Plot

Step-by-step explanation:

Scatter plot is a statistical diagram, depicting data points of two interdependent variables. The plot helps in viewing & interpreting the co relation between two variables.

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The shape of scatter plot can help determining whether the variables have a a linear equation model or not. Jordan must have done the same i.e analysed the scatter plot for determining linear model. If the scatter plot seems to show points scattered near a line like pattern, the variables can be said to be correlated as per linear equation model. So, Jordan might have given this reason to decide using linear equation model

4 0
3 years ago
<img src="https://tex.z-dn.net/?f=3%201%2F2%20%C3%B7%202%203%2F5%20%3D" id="TexFormula1" title="3 1/2 &divide; 2 3/5 =" alt="3 1
grandymaker [24]

Step-by-step explanation:

31/2÷23/5

= 31/2×5/23

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2 years ago
In triangle ABCD, m <br> What is m
djyliett [7]
<span>Isosceles triangle because CA= CB
so <A = <B
4x + 5 = 5x - 1
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answer
m<C = 122</span>°<span>

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LekaFEV [45]

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Step-by-step explanation:

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