1. Math
  2. Statistics And Probability
  3. 3 30 points the data in the table below are...

Question: 3 30 points the data in the table below are...

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3. (30 Points) The data in the table below are average concentrations of carbon dioxide (CO2) in air at Mount Cimone, Italy for each month from 1980 to 1988. The units are parts per million volume (ppmv). The values are precise to the second decimal place. Jan Feb Mar Apr May Jun Jul Aug Sep Oct NovDec 1980 340.87 339.83 342.27 342.51 338.27 335.52 330.14 328.81 331.17 334.03 339.05 340.43 1981 341.47 343.11 342.39 342.51 339.49 335.28 330.77 330.30 333.55 336.80 339.41 343.18 1982 341.70 344.38 345.68 345.70 340.80 336.66 334.65 332.40 335.15 339.26 341.19 345.18 1983 342.38 346.18 345.00 344.24 342.32 338.34 336.03 335.00 336.57 339.86 343.97 345.61 1984 346.32 349.44 351.33 350.50 346.43 344.35 346.29 335.19 337.59 342.26 344.88 346.91 1985 349.92 348.17 350.62 350.61 345.93 341.43 337.67 337.16 339.40 344.07 349.49 347.40 1986 349.41 351.41 352.29 350.75 348.37 342.96 337.22 338.53 340.90 346.28 348.95 350.52 1987 351.94 353.75 354.79 352.61 350.39 347.38 341.64 341.64 342.19 345.60 350.39 352.36 1988 353.13 355.02 354.96 354.51 352.20 346.71 342.60 344.60 343.66 348.99 352.42 353.27 Compute the mean and standard deviation for cach month (by columms) and cach year a. (by rows) Estimate the average annual rate of increase in CO2 concentration at this site. You b. may do this by either: (i) computing the average of the year-over-year changes in the annual means you computed in part a; or (ii) using Excel to graph the yearly averages

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