Government agencies keep data about the income distribution of the population. The Bailey family and Morgan family live in a county with 14,000 families. The Bailey family's income is at the 42 percentile. The Morgan family's income is at the 68 percentile. (If necessary, consult a list of formulas.) (a) Which of the following must be true about the Bailey family's income? O The Bailey family earns more than about 58% of families in their county. O About 58% of the families in their county earn more than the Bailey family. O The Bailey family earns about 42% of the highest income in their county. O The Bailey family earns about 58% of the highest income in their county. (b) Which of the following must be true about the Bailey family's and the Morgan family's incomes? The Morgan family earns more than the Bailey family. Both the Bailey family and the Morgan family earn more than the median income. The Morgan family earns $26,000 more than the Bailey family. The Bailey family and the Morgan family both have incomes in the bottom half of incomes in their county.

The boxplot below shows salaries for Construction workers and Teachers. Construction Teacher H 20 25 30 35 Salary (thousands of $) 40 They are making more than 1 45 50 If a person is making the first quartile salary for a construction worker, they are making more than what percentage of Teachers? % of Teachers. Q

Government agencies keep data about the income distribution of the population. The Watson family and Baker family live in a county with 9000 families. The Watson family's Income is at the 93rd percentile. The Baker family's income is at the 44th percentile. (a) Which of the following must be true about the Watson family's Income? About 93% of the families in their county earn less than the Watson family. O The Watson family earns about 93% of the highest income in their county. O The Watson family's income is in the bottom half of incomes in their county. O The Watson family earns $93,000. (b) Which of the following must be true about the Watson family's and the Baker family's incomes? Both the Watson family and the Baker family earn more than the median income. Both the Watson family and the Baker family earn less than the median O income. O The Watson family earns more than the Baker family. O The Baker family earns more than the Watson family. Explanation Check hp X Ⓒ2022 McGraw…

The boxplot below shows salaries for Construction workers and Teachers. Construction Teacher 20 25 30 35 40 45 50 Salary (thousands of S) If a person is making the maximum salary for a construction worker, they are making more than what percentage of Teachers?

Utilizing the previous table: A sample of 25 cities have been classified as high or low on their homicide rates and the number of handguns sold within the city limits. How would you classify the strength of the relationship?

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Scenario: The following table lists the typing speed as measured by a standard typing test for 12 college students, along with the number of pages they had to type for their Sociological Research Methods class.  Use the data to answer the Three questions listed below.  Make sure that you summarize and report if the results were significant using the F ratio formula. Report your answers in the Computed Value Tables. Student Number of pages typed Typing speed Chris 37 73 Mary 6 24 Paul 12 36 Juan 24 72 Marcel 16 50 Olga 7 19 Ni 22 49 Nima 4 6 Sari 34 48 Jarrod 32 59 Kevin 17 38 Lisa 8 16 Computed  Values Record the Results for each value ∑x 490 ∑y 219 ∑xy 10662 SSx 4159.66 SSy 1210.25 SP 1719.5 r 0.76636 a 1.37 b 0.41388 Regression Equation     Computed values Compute and record   SS residual 499.4515…

Consider the data. X; 2 6 9 13 20 Y; 9 2 10 25 22

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Healthy Eating  Americans appear to be eating healthier. Between 1970 and 2013 the per capita consumption of broccoli increased 1200.5% from 0.5 to 6.4 pounds. A nutritionist followed a group of people randomly assigned to one of three groups and noted their monthly broccoli intake (in pounds). At a=0.05 is there a difference in means? Group A           Group B         Group C 2.0                      2.0                  3.7 1.5                       1.5                   2.5  0.75                    4.0                  4.0 1.0                       3.0                  5.1 1.3                        2.5                  3.8  3.0                       2.0                  2.9 Null Hypothesis Alternative Hypothesis Find the Critical Value Find the Variance of each sample F= Make the decision Summarize Show how to use the TI-84 and Excel to work out the problems.