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8:21 PM Thu 15 May \( 3 \% \) www-awa.aleks.com STAT110_MCG_SC_81614_EV_202502 - aurle Julge Assignment 4 Question 2 of 7 (t point) I Question Attempt: 1 of 1 Time Remaining: 1:25:53 Español 1 2 3 4 5 6 7 Might we be able to predict life expectancies from birthrates? Below are bivariate data giving birthrate and life expectancy information for each of twelve countries. For each of the countries, both \( x \), the number of births per one thousand people in the population, and \( y \), the female life expectancy years), are given. Also shown are the scatter plot for the data and the least-squares regression line. The equation for this line is \( \widehat{y}=83.14-0.49 x \). \begin{tabular}{|l|l|} \hline Birthrate, \( x \) number of births per 1000 people) & Female life expectancy, \( y \) (in years) \\ \hline 48.5 & 62.2 \\ \hline 50.4 & 53.9 \\ \hline 23.8 & 74.3 \\ \hline 35.8 & 66.9 \\ \hline 43.3 & 64.3 \\ \hline 15.1 & 76.1 \\ \hline 31.9 & 62.4 \\ \hline 25.9 & 72.0 \\ \hline 47.3 & 59.1 \\ \hline 50.4 & 58.5 \\ \hline 18.6 & 72.8 \\ \hline \end{tabular} (Choose one) Send data to calculator Send data greater than Based on the sample data and the regression I less than (a) For these data, birthrates that are greater than the mean of the birthrates tend to be paired with female life expectancies that are (Choose one) 0 the mean of the female life expectancies. (b) According to the regression equation, for an increase of one (birth per 1000 people) in birthrate, there is a corresponding decrease of how many years in female life expectancy? Submit Assignment Continue

          8:21 PM Thu 15 May
\( 3 \% \)
www-awa.aleks.com
STAT110_MCG_SC_81614_EV_202502 - aurle Julge
Assignment 4
Question 2 of 7 (t point) I Question Attempt: 1 of 1
Time Remaining: 1:25:53
Español
1
2
3
4
5
6
7

Might we be able to predict life expectancies from birthrates?
Below are bivariate data giving birthrate and life expectancy information for each of twelve countries. For each of the countries, both \( x \), the number of births per one thousand people in the population, and \( y \), the female life expectancy years), are given. Also shown are the scatter plot for the data and the least-squares regression line. The equation for this line is \( \widehat{y}=83.14-0.49 x \).
\begin{tabular}{|l|l|}
\hline Birthrate, \( x \) number of births per 1000 people) & Female life expectancy, \( y \) (in years) \\
\hline 48.5 & 62.2 \\
\hline 50.4 & 53.9 \\
\hline 23.8 & 74.3 \\
\hline 35.8 & 66.9 \\
\hline 43.3 & 64.3 \\
\hline 15.1 & 76.1 \\
\hline 31.9 & 62.4 \\
\hline 25.9 & 72.0 \\
\hline 47.3 & 59.1 \\
\hline 50.4 & 58.5 \\
\hline 18.6 & 72.8 \\
\hline
\end{tabular}
(Choose one)
Send data to calculator
Send data
greater than
Based on the sample data and the regression I
less than
(a) For these data, birthrates that are greater than the mean of the birthrates tend to be paired with female life expectancies that are (Choose one) 0 the mean of the female life expectancies.
(b) According to the regression equation, for an increase of one (birth per 1000 people) in birthrate, there is a corresponding decrease of how many years in female life expectancy?
Submit Assignment
Continue

8:21 PM Thu 15 May
3 %
www-awa.aleks.com
STAT110MCGSC81614EV202502 - aurle Julge
Assignment 4
Question 2 of 7 (t point) I Question Attempt: 1 of 1
Time Remaining: 1:25:53
Español
1
2
3
4
5
6
7

Might we be able to predict life expectancies from birthrates?
Below are bivariate data giving birthrate and life expectancy information for each of twelve countries. For each of the countries, both x, the number of births per one thousand people in the population, and y, the female life expectancy years), are given. Also shown are the scatter plot for the data and the least-squares regression line. The equation for this line is y=83.14-0.49 x.

Birthrate, x number of births per 1000 people) Female life expectancy, y (in years)

48.5 62.2

50.4 53.9

23.8 74.3

35.8 66.9

43.3 64.3

15.1 76.1

31.9 62.4

25.9 72.0

47.3 59.1

50.4 58.5

18.6 72.8

(Choose one)
Send data to calculator
Send data
greater than
Based on the sample data and the regression I
less than
(a) For these data, birthrates that are greater than the mean of the birthrates tend to be paired with female life expectancies that are (Choose one) 0 the mean of the female life expectancies.
(b) According to the regression equation, for an increase of one (birth per 1000 people) in birthrate, there is a corresponding decrease of how many years in female life expectancy?
Submit Assignment
Continue

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