Mathematics, 27.08.2019 16:10 jazionaemontgomery
The table below shows the surface area y, in square inches, of a shrinking puddle in x hours: time (x) (hours) 1 4 7 10 surface area (y) (square inches) 100 85 70 55 part a: what is the most likely value of the correlation coefficient of the data in the table? based on the correlation coefficient, describe the relationship between time and surface area of the puddle. [choose the value of the correlation coefficient from β1, β0.99, β0.5, β0.02.] (4 points) part b: what is the value of the slope of the graph of surface area versus time between 1 and 4 hours, and what does the slope represent? (3 points) part c: does the data in the table represent correlation or causation? explain your answer. (3 points) (10 points)
Answers: 3
Mathematics, 21.06.2019 20:00
Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?
Answers: 1
Mathematics, 22.06.2019 05:30
Abank manager wants to encourage new customers to open accounts with principals of at least $2 comma 500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?
Answers: 2
The table below shows the surface area y, in square inches, of a shrinking puddle in x hours: time...
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