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- can you help me explain the diagramIn-text Activities: Firm-Up/Deepen Activities A relationship between two variables in such a way that one quantity increases or decreases the other quantity also increases or decreases in a definite way is called a variation. Direct variation indicates that when.. x (independent variable) increases, y (dependent variable) also increases x (independent variable) decreases, y (dependent variable) also decreases Graphically speaking, we can present direct variation 14마 (4 hrs, 120 mil Mathematically speaking, we can denote direct variation in the equation. y = kx where x is the independent variable y is the dependent variable k is the constant 3 3 hrs, 90 miles) (2 hrs, 60 miles) 2아 (I hr, 30 miles) Verbally speaking, we can denote y = kx on the ff equivalent statements "y varies directly as x" "y varies as x" "y varies with x" "y is proportional to x' "y is directly proportional to x" As the number of hours increases, the distance increases. distance = dependent h varies directly as d…How much should a healthy Shetland pony weigh? Let x be the age of the pony (in months), and let y be the average weight of the pony (in kilograms). x 3 6 12 20 26 y 60 95 140 160 189 (a) Make a scatter diagram of the data and visualize the line you think best fits the data. Flash Player version 10 or higher is required for this question. You can get Flash Player free from Adobe's website. (b) Would you say the correlation is low, moderate, or strong? low moderate strong Would you say the correlation is positive or negative? positive negative (c) Use a calculator to verify that x = 67, x2 = 1265, y = 644, y2 = 93,546, and xy = 10,544. Compute r. (Round your answer to three decimal places.) As x increases from 3 to 26 months, does the value of r imply that y should tend to increase or decrease? Explain your answer. Given our value of r, y should…
- Any help with any of the questions is appreciated thank you!Linear Modeling 1. Some phone apps measure the number of steps taken during a period of time. John downloaded an app that reported data in a table like this: Time Steps Steps taken taken (minutes) 600 4000 20 2400 25 3000 4200 3000 35 2000 1000 10 20 30 40 Minutes (a) What are the variables of the problem? Identify independent and/or dependent variables of the problem if any. (b) Use the information from the table to graph the number of steps that John has taken over time. Connect the points on your graph. Does this curve or is it a line? (c) Explain why the graph tells you that John is walking at a constant pace. МacВook Air DII DD 80 F10 F9 F6 F7 F8 F5 F2 F3 F4 & 23 2$ 3 4 5 6. 7 8 9. E R Y U F H J K L. * 00Question #1
- TOPIC: Linear Regression please answer, will upvote your solutions.Using R-Studio, estimate a regression equation to determine the effect of the real interest rates, the exchange rate and the GDP growth rate on the Merchandise trade (% of GDP). (All codes and regression output should be provided). NOTE: R-Studio should only be used for obtaining the regression output and the regression equation. (i) Write down the regression equation. Year Merchandise trade (% of GDP) Real interest rates (%), GDP growth (annual %) Official exchange rate (per US$). 2000 150.28 10.05 -1.4 182.43 2001 149.12 16.63 2.3 187.32 2002 144.60 13.36 1.1 190.67 2003 146.56 9.81 -0.6 193.88 2004 157.91 7.27 1.6 198.31 2005 162.57 6.42 -2 199.88 2006 62.06 -58.33 5.1 200.19 2007 63.64 5.91 7.2 202.35 2008…2. How do you identify which variable in a study is the factor? How do you identify the levels of a factor? How do you identify the dependent variable?