Mathematics, 14.12.2020 09:50 arrow87654
You might need: Calculator
Nkechi took a random sample of 10 countries to study fertility rate (babies per woman) and life expectancy (in
years). She noticed a strong negative linear relationship between those variables in the sample data. Here is
computer output from a least-squares regression analysis for using fertility rate to predict life expectancy:
Predictor
Coef
SE Coef
T
P
Constant
89.70
1.63
54.87
0.00
Fertility
-5.97
0.59
-10.18 0.00
S = 1.91
R-sq = 92.8%
Use this model to predict the life expectancy of a country whose fertility rate is 2 babies per woman.
You may round your answer to the nearest whole number of years.
years
Show Calculator
a
2 of 4 • OOO
Check
Answers: 3
Mathematics, 21.06.2019 18:50
Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling
Answers: 1
Mathematics, 22.06.2019 01:00
Urgent? will give brainliest to the first correct answer what is the area of the figure?
Answers: 3
Mathematics, 22.06.2019 04:40
Complete the frequency table: method of travel to school walk/bike bus car row totals under age 15 60 165 age 15 and above 65 195 column totals 152 110 98 360 what percentage of students under age 15 travel to school by car? round to the nearest whole percent.
Answers: 2
You might need: Calculator
Nkechi took a random sample of 10 countries to study fertility rate (bab...
Biology, 21.07.2019 02:30
History, 21.07.2019 02:30
Biology, 21.07.2019 02:30
Computers and Technology, 21.07.2019 02:30
English, 21.07.2019 02:30
Chemistry, 21.07.2019 02:30
Mathematics, 21.07.2019 02:30
Mathematics, 21.07.2019 02:30
History, 21.07.2019 02:30
Mathematics, 21.07.2019 02:30
Mathematics, 21.07.2019 02:30
Spanish, 21.07.2019 02:30