Government agencies keep data about the income distribution of the population. The Martinez family and Clark family live in a county with 6000 families. TheMartinez family's income is at the 65" percentile. The Clark family's income is at the 12" percentile.(If necessary, consult a list of formulas.)(a) Which of the following must be true about the Martinez family's and the Clarkfamily's incomes?O The Martinez family earns more than the Clark family.Both the Martinez family and the Clark family earn more than the medianincome.O The Martinez family earns $53,000 more than the Clark family.The Martinez family and the Clark family both have incomes in the bottomhalf of incomes in their county.(b) Which of the following must be true about the Martinez family's income?O The Martinez family earns more than about 35% of families in their county.About 35% of the families in their county earn more than the Martinezfamily.O The Martinez family earns about 65% of the highest income in their county.O The Martinez family earns about 35% of the highest income in their county.ExplanationCheckO 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use| Privacy CenterO ALEKS - Britney Fri.C2*-*4PriScInsertFGF9F10FSF8F11F12&4.5679.TYUOPGKBMin* CO

A percentile (or a centile) is a measure used in statistics indicating the value below which a given…

Answered: Government agencies keep data about the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A researcher surveyed 80 patients at a certain hospital. The histogram below gives the length of time patients waited to see a doctor at the hospital. The classes, in minutes, are 0 - 1.9, 2 - 3.9, etc., and the vertical axis represents the number of patients. 25 20 15 10 2 4 8. 10 wait time (minutes) (a) Use the histogram to determine the percent of patients that waited less than 6 minutes to see the doctor. (b) Determine the interval that contains the median wait time. **Include all decimal places** number of patients
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…
A study was done to look at the relationship between number of movies people watch at the theater each year and the number of books that they read each year. The results of the survey are shown below. Movies 10 7 6 10 0 9 1 6 Books 0 0 -0 0 9 0 9 -0 Use the model to predict the number of books read per year for someone who watches 3 movies per year.Books per year = (Please round your answer to the nearest whole number.) Interpret the slope of the regression line in the context of the question: The slope has no practical meaning since people cannot read a negative number of books. As x goes up, y goes down. For every additional movie that people watch each year, there tends to be an average decrease of 0.98 books read. Interpret the y-intercept in the context of the question: The y-intercept has no practical meaning for this study. If someone watches 0 movies per year, then that person will read 8 books this year. The best prediction for a person who doesn't watch…
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…
well here is the second part then. Thanks for wasting my question.
Following are some of the variables from a survey conducted by the U.S. Census Bureau. Which of the variables is quantitative? all of the above the number of people living in a household O the total household gross income O the ages of household residents.
A study is planned to compare the proportion of teenagers (ages 13–19) who dislike anchovies with the proportion of young adults (ages 20–30) who dislike anchovies. A random sample of 41 teenagers was taken, and 78% of them disliked anchovies. A random sample of 56 young adults was also taken, and 71% of them disliked anchovies. Difference = Teenagers - Young Adults The picture below is the question. Use the information above to help.
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 Using α = .05 test the significance of the regression equation. Use the value of r (r = 0.76636) computed above to find SS residual and SS regression and round your answers to three decimal places for SS residual, SS regression, MS residual, MS regression. Round to two decimal places…

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