AnswersHigh School Math 2 ARegression Models

Regression Models Answers

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Galton attempted to mathematize the work done by his famous cousin . Galton’s study enlisted the help of his friends to grow . His study lead to the mathematical notion of .

Answers:
Selection 1:Darwin
Selection 2:sweet peas
Selection 3:regression
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4

A farmer harvests apples that are heavier than the average 5 kg weight for that variety. He plants the seeds from the harvest hoping that the next generation will produce even heavier apples. Using the results found by Galton, which statement is most likely true regarding the weight of the next generation?

A
The next generation will weigh twice as much as the parent generation, closer to 10 kg.
B
The next generation will weigh exactly the same as the parent generation.
C
The next generation will weigh less than the parent generation, closer to 5 kg.
D
The next generation will weigh less than the parent generation, closer to 2.5 kg.
5

What did Galton use to calculate how strong the relationship was for the line of best fit?

A
a bell shaped curve
B
forensics
C
genetic testing
D
the correlation coefficient
6

The graph shows the relationship between men's shoe sizes and their heights. What type of relationship is this?

A
a linear relationship showing as height increases, shoes size increases
B
a linear relationship showing as height increases, shoe size decreases
C
a quadratic relationship showing as height increases, shoe size increases, then decreases
D
a quadratic relationship showing as height increases, shoe size decreases, then increases

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