Given the following data table: X Y 21 68 72 55 38 59 57 57 45 61 What is the correlation between X and Y? Include 3 decimal places in your answer.
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Given the following data table:
|
X |
Y |
|
21 |
68 |
|
72 |
55 |
|
38 |
59 |
|
57 |
57 |
|
45 |
61 |
What is the correlation between X and Y? Include 3 decimal places in your answer.
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- The following table compares the completion percentage and interception percentage of 5 NFL quarterbacks. Completion Percentage 58 61 61 61 61 65 Interception Percentage 4.8 3.8 2.8 1.7 1 Ta Copy Dat Step 1 of 5: Calculate the sum of squared errors (SSE). Use the values bo = 35.4457 and b₁ = -0.5331 for the calculations. Round your answer to three decimal places.The following table compares the completion percentage and interception percentage of 5 NFL quarterbacks. Completion Percentage 55 59 60 60 62 Interception Percentage 4.5 4.2 3.5 2.9 1.4 Table Copy Data Step 1 of 5: Calculate the sum of squared errors (SSE). Use the values bo = 26.9386 and b₁ = -0.3993 for the calculations. Round your answer to three decimal places. Answer How to enter your answer (opens in new window) Tables Keypad Keyboard ShortcuHow would you describe this data?
- The height (in inches) of a random sample of 28 players in NCAA Division 1 basketball teams is shown to the left. x 75 80 75 87 77 77 67 83 77 80 73 82 73 71 80 76 72 78 68 74 74 72 76 86 77 77 78 Sum of squared x: ∑x² = ________ a 4,264,225 b 4,222,005 c 160110 d 158525An economic researcher has been asked to determine the relationship between a proposed local sales tax on beef and local tax revenues. He has estimated that the maximum tax revenue will occur at a tax rate of 6%, which will yield tax revenues of $5,000. Using the 3-point curved line drawing tool, show the approximate relationship between tax rates and tax revenues, as based on this research. Label the curve 'Laffer'. Carefully follow the instructions above, and only draw the required objects. Tax Revenues (thousands) 10₁ 9- 1- 0- 0 1 2 3 4 5 6 7 Sales Tax Rate (%) 8 9 10Please give a detailed answer for the below image.
- The table lists weights (pounds) and highway mileage amounts (mpg) for seven automobiles. Use the sample data to construct a scatterplot. Use the first variable for the x-axis. Based on the scatterplot, what do you conclude about a linear correlation? Weight (lb) Highway (mpg) Which scatterplot below shows the data? O A. 40- 20+ 2000 5000 2855 3050 3810 3985 4250 2275 3525 33 32 27 24 22 39 28 Weight (lb) Q Q O B. 40 20+ 2000 AHH 5000 Weight (lb) Q Q Is there a linear relationship between weight and highway mileage? O A. No, there appears to be a relationship, but it is not linear. O B. Yes, as the weight increases the highway mileage decreases. O C. Yes, as the weight increases the highway mileage increases. OD. No there appears to be no relationshin C O C. Q 40- M Q 20++ 2000 5000 Weight (lb) Highway ( O D. Highway (mpg) 40- 20+ 2000 5000 Weight (lb) QThe height (in inches) of a random sample of 28 players in NCAA Division 1 basketball teams is shown to the left. x 75 80 75 87 77 77 67 83 77 80 73 82 73 71 80 76 72 78 68 74 74 72 76 86 77 77 78 1 Sum of x: ∑x = _______ a 2086 b 2065 c 2045 d 2025A researcher wants to study about the behaviours of postgraduate students in Australia in mobile phone usage. One of the goals of the study is to analyse whether there is a relationship between the type of apps that the students use the most and the degree they are studying. What is the most suitable graph to see the relationship described above? Why?
- Ypsilanti Market Research conducted a survey to find out whether people who earn more money purchase more expensive goods. The following graph indicates the relationship between income the survey subjects earned and the price of the car that they purchased. The variable shown on the vertical axis is __________ (options: thousands of dollars per car, thousands of dollars per year, income, thousands of dollars, price, number of goods). The units for the variable on the horizontal axis are _________ (options: thousands of dollars per car, thousands of dollars per year, income, thousands of dollars, price, number of goods). There are two ways to view the information presented on the graph. First, the graph tells us the amount a person with a certain income is likely to spend on a car, and second, it tells us the probable income of a person who spent a certain amount on a car. For example, if an individual earned $50,000 last year and purchased a new car, you would expect that person to…PRICE (Dollars per room) 500 450 400 350 300 250 200 150 100 50 0 Demand D 50 100 150 200 250 300 350 400 450 500 QUANTITY (Hotel rooms) Graph Input Tool Market for Oceans's Hotel Rooms Price (Dollars per room) Quantity Demanded (Hotel rooms per night) Demand Factors Average Income (Thousands of dollars) Airfare from MSY to ACY (Dollars per roundtrip) Room Rate at Meadows (Dollars per night) 350 150 50 200 250 ? For each of the following scenarios, begin by assuming that all demand factors are set to their original values and Oceans is charging $350 per room per night. If average household income increases by 20%, from $50,000 to $60,000 per year, the quantity of rooms demanded at the Oceans from rooms per night to rooms per night. Therefore, the income elasticity of demand is. , meaning that hotel rooms at the Oceans are If the price of an airline ticket from MSY to ACY were to increase by 10%, from $200 to $220 roundtrip, while all other demand factors remain at their initial values,…A sailing regatta hosted by Royal Yacht Club initially had 40 participants sign up which generated $350 for the yacht club. Another 70 participants (now a total of 110) signed up before the deadline which generated a grand total of $1750 for the yacht club. Write a graph linear equation to model the money earned in terms of the number of participants in the regatta.
