An economist is studying the relationship between income and savings. He has randomly selected seven subjects and obtained income and savings data from them. He wishes to use a simple linear regression model to predict savings based on annual income. Income and Savings
Income (Thousands of Dollars) 28 ,25 ,34 ,43 ,39 74
Savings (Thousands of Dollars) 0.2 ,0 ,0.8, 1.2 ,3.1 ,2.1 ,8.3
a. What level of measurement do the two variables in the table possess?
b. Which of the variables is the dependent variable in the model?
c. Which of the variables is the independent variable in the model?
d. Draw a scatterplot of the data. Does the scatterplot suggest that a linear model is appropriate? Explain.
e. Use the data to estimate the appropriate model.
f. Predict the savings for someone who earns fifty thousand dollars annually.
g. Interpret the meaning of the slope coefficient in the problem.
h. What fraction of the variation in savings is explained by income?

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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step-by-step explanation:

it can be to see completed examples before writing, in order to examine what makes for an effective piece. see how these intros give some context before posing the topic and lead naturally into the body paragraphs, where the evidence will be listed. you can imagine how the author has organized the rest of the piece.

"we buried my cousin last summer. he was 32 when he hanged himself from a closet coat rack in the throes of alcoholism, the fourth of my blood relatives to die prematurely from this deadly disease. if america issued drinking licenses, those four men—including my father, who died at 54 of liver failure—might be alive today. that is a good example piece   some steps that are .

. writing something that happened to you

.read a book you like to get ideas from there

. lastly you can make a venn diagram

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step-by-step explanation:

"exterior angles = 360 / number of sides.

60 = 360 / sides

sides = 360 / 60

sides = 6"