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**Which the following appear in the diagram below**

## THIS IS THE BEST ANSWER đ

A. / _DCE and B. CE

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## THIS USER ASKED đ

## THIS IS THE BEST ANSWER đ

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#### Which pair of variables has a clear causal link between the two named variables? the number of hats sold and the number of mittens sold in a city the amount of butter and the amount of bread consumed by a family the number of notebooks sold and the number of pens sold in a stationery store the number of air conditioners sold per day in a city and the daily temperature the number of hours a person can swim and the depth of the pool nextreset

*by* soetrust
#### 1. the scatterplot below shows the fuel efficiency (in miles per gallon) and weight (in pounds) of twenty subcompact cars. 91 3000 (a) is there a clear explanatory variable and response variable in this setting? if so, tell which is which. if not, explain why not. car weight (b) does the scatterplot show a positive association, negative association, or neither? explain why this makes sense. (c) how would you describe the form of the relationship? (d) which of the following is closest to the correlation between car weight and fuel efficiency for these 20 vehicles? explain. r=-0.9 r=-0.6 r=0 r=0.4 (e) there is one “unusual point” on the graph. explain what is “unusual” about this car. ( what effect would removing the âunusual pointâ have on the correlation? justify your answer. (g) if we converted the car weights to metric tons (1 metric ton -2,205 pounds). how would the correlation change? explain.

*by* soetrust

**Which the following appear in the diagram below**

A. / _DCE and B. CE

(angle) (line)

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