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- The director of an alumni association for a small college wants to determine whether there is any type of relationship between the amount of an alumnus’s contribution (in dollars) and the years the alumnus has been out of school. The data follow. What is the value of r? Years x 1 5 3 10 7 6 Contribution y 500 100 300 50 75 80The data shown can be modeled by the equation y=5*b^x. x y 1 8 2 12.8 3 20.48 4 32.768 Determine the value of b.How can you best explain the relationship between the two variables? Answer in a sentence.
- Pablo invested his savings in two investment funds. The $12,000 that he invested in Fund A returned a 7% profit. The amount that he invested in Fund B returned a 2% profit. How much did he invest in Fund B, if both funds together returned a 5% profit? This is my chart if you can use this to explain to me.Fuel The table below shows data for the numberof gallons of gas purchased each day x of a certainweek by the 150 taxis owned by the Inner CityTransportation Taxi Company. Write the equationthat models the data.Using the 2 examples above, x is Rainfall and y is Crop Yield x is Advertising Expense and y is Sales, identify which is the independent variable and which is the dependent variable. Explain why you identified such.
- Descriptive analysis is normally used to predict the relationship of the variables. True Falseplease assist where the blank areas are on the table. Are there differences in airfare depending on which travel agency website you utilize? The following data were collected on travel agency websites on July , . The following table contains the prices in U.S. dollars for a one-way ticket between the cities listed on the left for each of the three travel agency websites. Here the pairs of cities are the blocks and the treatments are the different websites.Given the value of the linear coefficient r to find the coefficient of determination and the percentage of the total variation that can be explained by the linear relationship between the two variables. 40. Crickets & Temperature: r = 0.874 (x = number of cricket chirps in 1 min., y = temperature in F0)
- Answer quickly please. If two ordinal variables are compared, and it is found that when one ranks high the other ranks low, the relationship is a. Inverse b. curvilinear c. skewed d. positiveThe formulas below are the cost and revenue functions for a company that manufactures and sells small radios. C(x)=154,000+37x and R(x)=48x a. Use the formulas shown to write the company's profit function, P, from producing and selling x radios. b. Find the company's profit if 21,000 radios are produced and sold. Question content area bottom Part 1 a. The company's profit function is P(x)=enter your response here.A beautician charges $45 per haircut. She also determines that overhead not associated with number of haircuts (rent, utilities, equipment) is $100 per week. Consider the relationship between number of haircuts and profit. A. If she gives 20 haircuts in one week, what is her profit (in dollars)? B. If she gives 40 haircuts in one week, what is her profit (in dollars)?
