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Kay [80]
3 years ago
14

An economist wants to predict the Gini of the US by Year. Select the answer choice that correctly interprets R-Squared. Group of

answer choices 0.451751 is the proportion of variability of Gini Coefficient unexplained by our least squares line. 0.451751 is the proportion of variability of Years explained by our least squares line. 0.451751 is the proportion of variability of Gini Coefficient explained by our least squares lines 0.451751 is the proportion of variability of Years unexplained by our least squares line.
Mathematics
1 answer:
olga55 [171]3 years ago
5 0

Answer:

0.451751 is the proportion of variability of Gini Coefficient explained by our least squares lines

Step-by-step explanation:

Given

R\ squared = 0.451751

To predict: Gini by year

Required

Interpret the R squared

In statistics, r squared measures the extent to which the variance of one variable explains the variance of the other variable.

In this question, the variable to predict is Gini:

From the list of options, (c) is correct

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-10y<60 (Please solve and show work)
erma4kov [3.2K]
Y can realistically be any positive number, since a negative number multiplied by a positive number's product is negative. a negative number will always be less than a positive number, in this case the positive number being 60.

<span>a negative number multiplied by another negative number's product is positive, so as long as the negative numbers are less than -6 (because -10 times -6 is 60, and 60 is not less than 60) y can be negative.</span>


I hope this helps!
7 0
3 years ago
Read 2 more answers
Laguna del carbon, a salt lake located in. Argentina, lies 344 feet below sea level. El alto, Bolivia, is located approximately
adelina 88 [10]

Answer:

The difference in elevation between Laguna del Carbon and El Alto is 12,656 feet.

Step-by-step explanation:

Given that Laguna del carbon, a salt lake located in Argentina, lies 344 feet below sea level, while El Alto, Bolivia, is located approximately 13,000 feet above sea level, to determine what is the difference in elevation between Laguna del Carbon and El Alto, the following calculation must be performed:

13,000 - 344 = X

12.656 = X

Thus, the difference in elevation between Laguna del Carbon and El Alto is 12,656 feet.

5 0
2 years ago
When finding the product (x – 3)(x + 4), what would you add to get the final answer?
kotykmax [81]
When multiplying out you get:

x2+4x-3x-12....

so you'd be adding the +4x to the -3x

x2 + x - 12
6 0
3 years ago
How to simplify <br> -6k +7k<br> 12r -8 -12<br> n -10 +9n -3<br> -4x-10x<br> -r -10r
Semmy [17]

Answer:

Solve by adding or subtracting like terms. (Ex. 2k + 4k = 6k; 9 + 7 = 16)

- 6k + 7k = 1k = k

(7 - 6 = 1)

12r - 8 - 12 = 12r - 20

(8 + 12 = 20 but sign is negative) 12r will stay the same because there are no terms with a letter r.

n - 10 + 9n - 3 = 9n + n - 10 - 3 = 10n - 10 - 3 = 10n - 13

(n = 1 so 9 + 1 = 10; 10 + 3 = 13 but negative sign)

- 4x - 10x = 14x

(10 + 4 = 14)

- r - 10r = 11r

(r = 1 so 10 + 1 = 11)

6 0
3 years ago
Regroup hundreds as Tens:<br><br> 8 hundreds 9 tens =
Lilit [14]
89 tens because 8 x10 is 80 add the 9
89
7 0
3 years ago
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