Is there a relation between the age difference between husband/wives and the percent of a country that is literate? Researchers found the least-squares regression between age difference (husband age minus wife age), y, and lite (percent of the population that is literate), x, is y-0.0489x + 6.7. The model applied for 20 sxs 100. Complete parts (a) through (o) below. (a) Interprel the slope. Select the correct choice below and fill in the answer box to complete your choice. v the V falls by units, on average. For every unit increase in (Type an integer or decimal. Do not round.) (b) Does it make sense to interpret the y-intercept? Explain. Choose the correct answer below. O A Yes-t makes sense to interpret the y-intercept because an x-value of 0 is within the realm of possibilities. O B. No-t does not make sense to interpret the y-intercept because an x-value of 0 is impossible. OC. No-t does not make sense to interpret the y-intercept because a y-value of 0 is outside the scope of the model. O D. No-t does not make sense to interpret the y-intercept because an x-value of 0 is outside the scope of the model. O E. No-t does not make sense to interpret the y-intercept because a y-value of 0 is impossible. (c) Predict the age difference between husband/wife in a country where the literacy rate is 45 percent. years (Round to one decimal place as needed.) (d) Would it make sense to use this model to predict the age difference between husband/wife in a country where the literacy rate is 10%? O A Yes-it makes sense because a y-value of 10 is within the realm of possibilities and within the scope of the model. O B. No-it does not make sense because a y-value of 10 is outside the scope of the model

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
Is there a relation between the age difference between husband/wives and the percent of a country that is literate? Researchers found the least-squares regression between age difference (husband age minus wife age), y, and literacy rate
(percent of the population that is literate), x, is y= -0.0489x + 6.7. The model applied for 20 sxs 100. Complete parts (a) through (e) below.
(a) Interprel the slope. Select the correct choice below and fill in the answer box to complete your choice.
For every unit increase in
V the
v talls by units, on average.
(Type an integer or decimal. Do not round.)
(b) Does it make sense to interpret the y-intercept? Explain. Choose the correct answer below.
O A. Yes-t makes sense to interpret the y-intercept because an x-value of 0 is within the realm of possibilities.
O B. No-t does not make sense to interpret the y-intercept because an x-value of 0 is impossible.
OC. No-t does not make sense to interpret the y-intercept because a y-value of 0 is outside the scope of the model.
O D. No-it does not make sense to interpret the y-intercept because an x-value of 0 is outside the scope of the model.
O E No-it does not make sense to interpret the y-intercept because a y-value of 0 is impossible.
(c) Predict the age difference between husband/wife in a country where the literacy rate is 45 percent.
years (Round to one decimal place as needed.)
(d) Would it make sense to use this model to predict the age difference between husband/wife in a country where the literacy rate is 10%?
O A. Yes-it makes sense because a y-value of 10 is within the realm of possibilities and within the scope of the model.
O B. No-it does not make sense because a y-value of 10 is outside the scope of the model.
O C. Yes-it makes sense because an x-value of 10 is within the realm of possibilities and within the scope of the model.
O D. No-it does not make sense because an x-value of 10 is outside the scope of the model.
(e) The literacy rate in a country is 97% and the age difference between husbands and wives is 1 year. Is this age difference above or below the average age difference among all countries whose literacy rate is 97%? Select the correct choi
below and fill in the answer box to complete your choice.
IRound tn one decmal nlace se needed
O Time Remaining: 02:13:33
Transcribed Image Text:Is there a relation between the age difference between husband/wives and the percent of a country that is literate? Researchers found the least-squares regression between age difference (husband age minus wife age), y, and literacy rate (percent of the population that is literate), x, is y= -0.0489x + 6.7. The model applied for 20 sxs 100. Complete parts (a) through (e) below. (a) Interprel the slope. Select the correct choice below and fill in the answer box to complete your choice. For every unit increase in V the v talls by units, on average. (Type an integer or decimal. Do not round.) (b) Does it make sense to interpret the y-intercept? Explain. Choose the correct answer below. O A. Yes-t makes sense to interpret the y-intercept because an x-value of 0 is within the realm of possibilities. O B. No-t does not make sense to interpret the y-intercept because an x-value of 0 is impossible. OC. No-t does not make sense to interpret the y-intercept because a y-value of 0 is outside the scope of the model. O D. No-it does not make sense to interpret the y-intercept because an x-value of 0 is outside the scope of the model. O E No-it does not make sense to interpret the y-intercept because a y-value of 0 is impossible. (c) Predict the age difference between husband/wife in a country where the literacy rate is 45 percent. years (Round to one decimal place as needed.) (d) Would it make sense to use this model to predict the age difference between husband/wife in a country where the literacy rate is 10%? O A. Yes-it makes sense because a y-value of 10 is within the realm of possibilities and within the scope of the model. O B. No-it does not make sense because a y-value of 10 is outside the scope of the model. O C. Yes-it makes sense because an x-value of 10 is within the realm of possibilities and within the scope of the model. O D. No-it does not make sense because an x-value of 10 is outside the scope of the model. (e) The literacy rate in a country is 97% and the age difference between husbands and wives is 1 year. Is this age difference above or below the average age difference among all countries whose literacy rate is 97%? Select the correct choi below and fill in the answer box to complete your choice. IRound tn one decmal nlace se needed O Time Remaining: 02:13:33
Is there a relation between the age difference between husband/wives and the percent of a country that is literate? Researchers found the least-squares regression between age difference (husband age minus wife age), y, and literacy rate
(percent of the population that is literate), x, is y = -0.0489x + 6.7, The model applied for 20 sxs 100. Complete parts (a) through (0) below.
(b) Does it make sense to interpret the y-intercept? Explain. Choose the correct answer below.
O A. Yes-t makes sense to interpret the y-intercept because an x-value of O is within the realm of possibilities.
OB. Not does not make sense to interpret the y-intercept because an x-value of 0 is impossible.
OC. No-t does not make sense to interpret the y-intercept because a y-value of 0 is outside the scope of the mode
O D. No-t does not make sense to interpret the y-intercept because an x-value of 0 is outside the scope of the model.
OE Not does not make sense to interpret the y-intercept because a y-value of O is impossible.
(c) Predict the age difference between husband/wife in a country where the literacy rate is 45 percent.
Dyears (Round
one decimal place as needed.)
(d) Would it make sense to use this model to predict the age difference between husband/wife in a country where the literacy rate is 10%?
OA. Yes-t makes sense because a y-value of 10 is within the realm of possibilities and within the scope of the model.
O B. No-t does not make sense because a y-value of 10 is outside the scope of the model.
O C. Yes-it makes sense because an x-value of 10 is within the realm of possibilities and within the scope of the model.
O D. NoHt does not make sense because an x-value of 10 is outside the scope of the model.
(e) The literacy rate in a country is 97% and the age difference between husbands and wives is 1 year. Is this age difference above or below the average age difference among all countries whose literacy rate is 97%? Select the correct choice
below and fill in the answer box to complete your choice.
(Round to one decimal place as needed.)
O A. Abovethe average age difference among all countries whose literacy rate is
% is
years.
O B. Below-the average age difference among all countries whose literacy rate is 97% is
years.
Transcribed Image Text:Is there a relation between the age difference between husband/wives and the percent of a country that is literate? Researchers found the least-squares regression between age difference (husband age minus wife age), y, and literacy rate (percent of the population that is literate), x, is y = -0.0489x + 6.7, The model applied for 20 sxs 100. Complete parts (a) through (0) below. (b) Does it make sense to interpret the y-intercept? Explain. Choose the correct answer below. O A. Yes-t makes sense to interpret the y-intercept because an x-value of O is within the realm of possibilities. OB. Not does not make sense to interpret the y-intercept because an x-value of 0 is impossible. OC. No-t does not make sense to interpret the y-intercept because a y-value of 0 is outside the scope of the mode O D. No-t does not make sense to interpret the y-intercept because an x-value of 0 is outside the scope of the model. OE Not does not make sense to interpret the y-intercept because a y-value of O is impossible. (c) Predict the age difference between husband/wife in a country where the literacy rate is 45 percent. Dyears (Round one decimal place as needed.) (d) Would it make sense to use this model to predict the age difference between husband/wife in a country where the literacy rate is 10%? OA. Yes-t makes sense because a y-value of 10 is within the realm of possibilities and within the scope of the model. O B. No-t does not make sense because a y-value of 10 is outside the scope of the model. O C. Yes-it makes sense because an x-value of 10 is within the realm of possibilities and within the scope of the model. O D. NoHt does not make sense because an x-value of 10 is outside the scope of the model. (e) The literacy rate in a country is 97% and the age difference between husbands and wives is 1 year. Is this age difference above or below the average age difference among all countries whose literacy rate is 97%? Select the correct choice below and fill in the answer box to complete your choice. (Round to one decimal place as needed.) O A. Abovethe average age difference among all countries whose literacy rate is % is years. O B. Below-the average age difference among all countries whose literacy rate is 97% is years.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman