2. Fill in the blank: According to the regression equation, for an increase of one (birth per 1000 people) in birthrate, there is a corresponding of 0.46 years in female life expectancy. 3. From the regression equation, what is the predicted female life expectancy (in years) when the birthrate is 45.6 births per 1000 people? (Round your answer to at least one decimal place.) 4. From the regression equation, what is the predicted female life expectancy (in years) when the birthrate is 26.5 births per 1000 people? (Round your answer to at least one decimal place.)

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1. Greater than or less than 2. Increase or decrease
2. Fill in the blank: According to the regression equation, for an
increase of one (birth per 1000 people) in birthrate, there is a
corresponding
Choose one
of 0.46 years in female life expectancy.
3. From the regression equation, what is the predicted female life
expectancy (in years) when the birthrate is 45.6 births per 1000
people? (Round your answer to at least one decimal place.)
4. From the regression equation, what is the predicted female life
expectancy (in years) when the birthrate is 26.5 births per 1000
people? (Round your answer to at least one decimal place.)
Transcribed Image Text:2. Fill in the blank: According to the regression equation, for an increase of one (birth per 1000 people) in birthrate, there is a corresponding Choose one of 0.46 years in female life expectancy. 3. From the regression equation, what is the predicted female life expectancy (in years) when the birthrate is 45.6 births per 1000 people? (Round your answer to at least one decimal place.) 4. From the regression equation, what is the predicted female life expectancy (in years) when the birthrate is 26.5 births per 1000 people? (Round your answer to at least one decimal place.)
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 (in 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 = 81.87– 0.46.x.
Aa
Birthrate, x
(number of
births per 1000
pop.)
Female life
expectancy, y
(in years)
85
35.7
67.7
80
41.5
63.9
31.9
63.3
75+
メ
メメ
19.9
73.0
70
50.5
60.4
65-
メ
24.4
72.7
60
50.1
63.2
55
13.8
72.5
50
50.3
54.6
45.6
57.9
15.9
76.2
Figure 1
26.6
71.9
Send data to Excel
Transcribed Image Text: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 (in 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 = 81.87– 0.46.x. Aa Birthrate, x (number of births per 1000 pop.) Female life expectancy, y (in years) 85 35.7 67.7 80 41.5 63.9 31.9 63.3 75+ メ メメ 19.9 73.0 70 50.5 60.4 65- メ 24.4 72.7 60 50.1 63.2 55 13.8 72.5 50 50.3 54.6 45.6 57.9 15.9 76.2 Figure 1 26.6 71.9 Send data to Excel
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