Statistics in Environmental Data Analysis

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Questions and Answers

What does the function mean() calculate for Temp_data_CO2_10_23$DJF?

  • The minimum temperature recorded in DJF
  • The maximum temperature value for DJF
  • The standard deviation of temperature for DJF
  • The average temperature for the DJF season (correct)

Which function is used to determine the variability of the temperature data for each season?

  • min()
  • plot()
  • max()
  • sd() (correct)

What is indicated by the min() function applied to Temp_data_CO2_10_23$MAM?

  • It shows the average temperature for MAM.
  • It calculates the yearly variation for MAM.
  • It detects the lowest recorded temperature for MAM. (correct)
  • It identifies the highest temperature in MAM.

What does the command plot(Temp_data_CO2_10_23$Gas emissions (in billion t), Temp_data_CO2_10_23$Yearly variation) accomplish?

<p>It produces a scatter plot showing the relationship between gas emissions and yearly variation. (B)</p> Signup and view all the answers

Which of the following statements about the functions applied to Temp_data_CO2_10_23$ is true?

<p>The result of <code>max()</code> is always greater than or equal to the result of <code>min()</code>. (D)</p> Signup and view all the answers

Flashcards

mean(Temp_data_CO2_10_23$DJF)

Calculates the average temperature for DJF (December, January, February) in the dataset

mean(Temp_data_CO2_10_23$MAM)

Calculates the average temperature for MAM (March, April, May) in the dataset

mean(Temp_data_CO2_10_23$JJA)

Calculates the average temperature for JJA (June, July, August) in the dataset

mean(Temp_data_CO2_10_23$SON)

Calculates the average temperature for SON (September, October, November) in the dataset.

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mean(Temp_data_CO2_10_23$Yearly variation)

Calculates the average yearly temperature variation in the dataset.

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mean(Temp_data_CO2_10_23$Gas emissions (in billion t))

Calculates the average annual gas emissions (in billions of tonnes).

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sd(Temp_data_CO2_10_23$DJF)

Calculates the standard deviation of temperatures for DJF.

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sd(Temp_data_CO2_10_23$MAM)

Calculates the standard deviation of temperatures for MAM.

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sd(Temp_data_CO2_10_23$JJA)

Calculates the standard deviation of temperatures for JJA.

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sd(Temp_data_CO2_10_23$SON)

Calculates the standard deviation of temperatures for SON.

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sd(Temp_data_CO2_10_23$Yearly variation)

Calculates the standard deviation of yearly temperature variations.

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sd(Temp_data_CO2_10_23$Gas emissions (in billion t))

Calculates the standard deviation of gas emissions.

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min(Temp_data_CO2_10_23$DJF)

Finds the lowest temperature in the DJF period.

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min(Temp_data_CO2_10_23$MAM)

Finds the lowest temperature in the MAM period.

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min(Temp_data_CO2_10_23$JJA)

Finds the lowest temperature in the JJA period.

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min(Temp_data_CO2_10_23$SON)

Finds the lowest temperature in the SON period.

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min(Temp_data_CO2_10_23$Yearly variation)

Finds the smallest yearly temperature variation

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min(Temp_data_CO2_10_23$Gas emissions (in billion t))

Finds the lowest annual gas emissions in billion tonnes

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max(Temp_data_CO2_10_23$DJF)

Finds the highest temperature during the DJF period.

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max(Temp_data_CO2_10_23$MAM)

Finds the highest temperature in the MAM period.

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max(Temp_data_CO2_10_23$JJA)

Finds the highest temperature in the JJA period.

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max(Temp_data_CO2_10_23$SON)

Finds the highest temperature in the SON period.

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max(Temp_data_CO2_10_23$Yearly variation)

Finds the largest yearly temperature variation.

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max(Temp_data_CO2_10_23$Gas emissions (in billion t))

Finds the largest annual gas emissions.

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plot(Temp_data_CO2_10_23$Year, Temp_data_CO2_10_23$Gas emissions (in billion t))

Creates a line graph showing the trend of gas emissions over time.

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plot(Temp_data_CO2_10_23$Year, Temp_data_CO2_10_23$Yearly variation)

Creates a line graph showing yearly temperature variation over time.

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plot(Temp_data_CO2_10_23$Gas emissions (in billion t), Temp_data_CO2_10_23$Yearly variation)

Creates a scatter plot visualizing the relationship between gas emissions and yearly temperature variation.

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