Q4. By plotting the graph of the given data mention whether there is a positive trend, negative trend or no trend. Then fit the least square line y = mx + c to the given data. xi 37 45 46 69 42 59 55 yi -123.3 -151.3 -154.8 -186.3 -230 -140.8 -200.3

Q: Remove outliers, missing values and rescale the data.

A: Given information: The data represents the values of the variables X1 and X2.

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A: Statement (3) is correct. The dtaat shows a negative correlation.

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Q: The table shows the amount of money (in billions of dollars)Americans spent on their pets for the…

A: ordered pairs (2011,51.0) , (2012,53.3) , (2013,55.7) , (2014,58.5)

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Q: 6.2 Identify relationships, Part II. For each of the six plots, identify the strength of the…

A: Note: Hey there! Thank you for the question. As you have posted a question with multiple sub-parts,…

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A:

Q: e). At 5% level of significance, is there evidence of a linear relationship between the sales and…

A: "From E to F"   Let Price is represented by variable X and Sales is represented by variable Y First…

Q: Given the data as shown in the table below Y 5 2 8 4 9 5 10 8 Use technology to graph the…

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Q: The scatter plot shows the number of hours worked and money spent on entertainment by each of 25…

A: Note: As Correlation is a statistical measure that describes the size and direction of a…

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Q: 10. What can you infer to the graph of your data (in general)?

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A: solve the following

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Q: By plotting the graph of the given data mention whether there is a positive trend, negative trend or…

A: The graph of the given data can be obtained using excel steps as follow: Enter the data into excel…

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A: Given data points are : (1, 4), (2, 6), (3, 9), (4, 11), (5, 14), (6, 16).  Let equation of a…

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Q: A grocery store manager explored the relationship between the percent of customers that wait more…

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Q: 7. Which scatter plot could have a trend line whose equation is y = x + 2? * 10 10 8. 6- 4- 2 4 6 8…

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Q: of mistakes made (y). graph shows the scatterplot of the data and a fitted line.

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Q: Use the data in the table to determine the solution. Number of Divorces per 1000 Married Women, Age…

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Q: A random sample of 57 recordings gives the following information. The intercept = 15.24 and the…

A: Given: sample size, n= 57 Intercept, a = 15.24 slope, b = 1.61

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A: Regression: Regression is a technique that is used to determine relationship between two or more…

Q: 6. Assume that the scatterplot shows the median volume and median value of used cars over the years…

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Q: Fit a trend function y = A. Bx to the following data. 2 3 4 5 y : 1.6 4.5 13.8 40 2 125.0

A:

Q: Q4. Dr. Ahmad has noticed many of his students have been absent from class this semester. He feels…

A: The following information has been provided: x y 5 2 6 2 2 4 0 5 9 4 12 2 16 5 5…

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Q: The number of people aged 18 to 24 years old who smoked decreased according to the CDC. In 2005,…

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Q: The scatter plot shows the time spent watching TV and the time spent doing homework by each of 25…

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A:

Q: Suppose that Violet is conducting a study to determine whether there is a relationship between the…

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Q: By plotting the graph of the given data mention whether there is a positive trend, negative trend or…

A: The graph for the data can be plot using Minitab: Open the Minitab sheet and enter the data of Xi…

Q: 9. Find the proportion of variation in selling price that can be explained by its linear…

A: Since you have asked multiple questions, we will solve the first question (Q9) for you. If you want…

Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.