- An Annual The Table Below Summarizes Data From A Survey Of 1 000 Adults Each Respondent Was Asked Whether He Or She Was 1 (71.05 KiB) Viewed 135 times
correct? Correct answer is the last option.
an annual The table below summarizes data from a survey of 1,000 adults. Each respondent was asked whether he or she was a high school graduate and whether he or she income of more than $40,000 per year. Are these events independent or dependent? ANNUAL INCOME HIGH SCHOOL GRADUATE NOT A HIGH SCHOOL GRADUATE TOTAL $40,000 or less 250 150 400 More than $40,000 500 100 600 Total 750 250 1000 Which of the following provides the best justification for the dependency of a person's income and whether he or she is a high school graduate? Your answer is incorrect There are 500 high school graduates with annual incomes of more than $40,000 but only 100 non-high school graduates with annual incomes of more than $40,000. 75% (750/1000) of the respondents graduated from high school, and 60% (600/1000) of the respondents have an annual income of more than $40,000. There are 100 non-high school graduates with annual incomes of more than $40,000 but only 150 non-high school graduates with annual incomes of $40,000 or less. There are 500 high school graduates with annual incomes of more than $40,000 but only 250 high school graduates with annual incomes of $40,000 or less. About 67% (500/750) of the high school graduates have an annual income of more than $40,000 compared to only 40% (100/250) of the non-high school graduates.