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Author Question: Which of the following pairs of variables are likely to be negatively correlated? a. distance of ... (Read 195 times)

codyclark

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on: Jun 19, 2018
Which of the following pairs of variables are likely to be negatively correlated?
 
  a. distance of a lightning strike from you and the delay between the flash and the thunder
  b. number of times you have seen a movie and amount of dialogue you know by heart
  c. the amount of rainfall in the past week and the depth of a nearby lake
  d. the number of hours sleep you had in the past two nights and the likelihood that you will be grumpy

Question 2

What are the real limits of the observation of 6.1 seconds (measured to the nearest second)?
 
  a. 6.05-6.15 c. 6.0-6.2
  b. 5.5-6.5 d. 6.00-6.20


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anyusername12131

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Reply #1 on: Jun 19, 2018
Answer to Question 1

D
When variables are negatively correlated, as one variable increases, the other decreases.

Answer to Question 2

A


codyclark

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Reply 2 on: Jun 19, 2018
Gracias!

xiaomengxian

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Reply 3 on: Yesterday
Wow, this really help

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