1. How many variables are there in each research topic?
2. What kind of data is marriage? hours of sleep?
3. What kind of data is traveling time, community type?
4. What kind of data is tobacco use, age of teens?
5. The number of years of education, salary?
6. What kind of data is body type, gender?
7. What combination of variables is there in each sample?
ASAP PO
Answers
1) You should have at least four independent variables. b. Develop hypotheses regarding the effect of each independent variable (what effect do you expect each independent variable has on the dependent variable). State explicitly why you think each independent variable should work that way.
2) World Marriage Data 2019. The World Marriage Data 2019 provides a comparable and up-to-date set of data on the marital status of the population by age and sex for 232 countries or areas of the world.
3 to 5 years - 10 to 13 hours per 24 hours, including naps
6 to 12 years - 9 to 12 hours per 24 hours
13 to 18 years - 8 to 10 hours per 24 hours
Adults - 7 or more hours a night
3) Travel time data is useful for a wide range of transportation analyses including congestion management, transportation planning, and traveler information. Congestion management systems commonly use travel time-based performance measures to evaluate and monitor traffic congestion.
4) Adolescents typically become addicted to nicotine while still being teenagers. Usual interval between the first cigarette consumption and daily smoking is 1–2 year(s). More than half of the adolescent smokers try to quit smoking every year with fewer than 20% being able to quit for a month .
5) Number of years of education completed refers to the number of academic years a person completed in a formal program provided by elementary and secondary schools, universities, colleges or other formal post-secondary institutions.
6) Gender is a categorical data because it can be categorized into male and female according to some unique qualities possessed by each gender. There are 2 main types of categorical data, namely; nominal data and ordinal data.
7) Combination of variables solutions to partial differential equations are suggested whenever the physical situation indicates that two independent variables can be combined to produce only one independent variable. ... If the method works, the resulting differential equation will involve only the combined variable.
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