Represent data on two quantitative variables on a scatter plot, and describe how the variables are related. a. Fit a linear or exponential function to data; use functions fitted to data to solve problems in the context of the data. b. Informally assess the fit of a linear or exponential function visually by analyzing the graph and analytically by evaluating the appropriateness of the chosen model in representing the data and context.
Example Problems
Tom took 4 exams. His mean was and his standard deviation was . What scores did Tom receive on his exams?
a. Write two sets of 5 different numbers that have the same mean but different standard deviations.
b. Write two sets of 5 different numbers that have the same standard deviations but different means.
b. Write two sets of 5 different numbers that have the same standard deviations but different means.
Connor owes money on a car loan.
He pays $200 each month. After 5 months, he still owes $6400.
What was the original amount of Connor's loan?
He pays $200 each month. After 5 months, he still owes $6400.
What was the original amount of Connor's loan?
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