n9 of 15 >All of the following statements, except for one, contains an error.Which statement does not contain an error?O The relationship between age and weight tends to be positive. The correlation is 0.75 pounds/year.O The relationship between height and the ability to reach things is strong and positive. The correlation is 1.15.O The relationship between height and weight is strong and positive. The correlation is 0.95.O The relationship between age and height is negative for the elderly. The correlation is - 1.25.O The relationship between height and gender is strong and positive. The correlation is 0.95.

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Answered: All of the following statements, except…

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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Write both the null and research hypothesis for the variables below. Determine whether a nondirectional or directional hypothesis should be utilized when writing the research hypothesis. (I need for all the variables) Hours of studying and academic achievement Suspension rates and criminal justice outcomes Hours of sleep and productivity Socioeconomic status and type of employment Effectiveness of incarceration and effectiveness of rehabilitation Substance exposure and asthma (speak on the relationship. i.e. does substance exposure have an effect on asthma?) Pharmaceutical medications and placebos Gender and juvenile delinquency Education level and income Class attendance and performance
Which of the following statements are true?
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The stem-and-leaf display below gives the test scores for the students in Prof. Ramirez's 10 a.m. and 11 10 a.m. class and 23 students in the 11 a.m. class. Use the display to answer the questions that follow. Test scores for Prof. Ramirez's economics classes 10 a.m. 11 a.m. 9 87 425 8632 589 7775551 06002489 9 854 7 4 55 679 78025578 95 Key: 47 + - 7|4 |2 42 (a) What were the ranges for the two classes? 10 a.m. 11 a.m. (b) Which class had the higher median score? o10 a.m. o11 a.m. OThe medians were the same (c) Which class had more scores in the 50s? 10 a.m. o11 a.m. OEach had the same
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A phrase often repeated in this class is "correlation is not causation". Which of the following best describes what this phrase means? Correlation is not causation means that just because two values appear to be related on a graph doesn't mean that one necessarily causes the other. Correlation is not causation means that when we see values that move together (e.g. ice cream sales and murder rates), we can assume that one must be causing the other. Correlation is not causation means that if values move in opposite directions (e.g. average temperature goes down and grades go up), we can assume that one must influence to the other. O Correlation is not causation means that when values are shown to be related in a graph, this is proof that they are not causal.
B₁ is an estimator of B₁ a. True O b. False
please solve A, B, and D ch 12
1. 2. 0.6 0.8 1.0 3. 0.2 0.4 0.0 (2) = -0.86 1. (2) = 0.13 2. To see the relationship between the dexp, pexp, qexp, and rexp, please fill in the blanks. The options for each blank are dexp, pexp, qexp, rexp. Hint: Use R to confirm you get the intended answer. Note: Values in the right hand side of the equation in questions 1, 2, and 3 are round off values (0.86) 2 (2) = 0.86 0 2 4 6 8 10 12 3. (2) = 0.13 X (0.86) = 2
What variable will you change in this experiment? This is also called the Independent variable. How will you change it? What variable will you measure in this experiment to determine the effect of the variable you changed? This is also called the Dependent variable. How will you measure it? What variables will you keep the same in this experiment? Check off the items in this list that you would use for this experiment. You may add any items you feel you would need. O Skim milk (which contains lactose) O Lactase drops O Graduated cylinder O Eye dropper O Ice cubes O pH paper O Hot plate O Mixing spoon O Thermometer O Vinegar (acidic) O Test tubes O Glucose test strips O Baking soda (basic) O Other items you feel you would need to use for this experiment.
Which of the following is an example of causation? Birthdays cause people to age. Aerobic exercise causes increased heart rate April 15 causes people to pay taxes. Sunshine causes people to spend the day outdoors

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