Question 5 1 pts Climate models have shown that higher level of atmospheric CO, concentration contributes to increasing greenhouse effect of our atmosphere, and consequently leads to higher temperature. Such models have also predicted that the volatility of changes in atmospheric CO2 concentration and the volatility of changes in temperature should be the same. It is known from meteorological record that the annual growth rate of temperature has a variance of 1.2%. A climate science student went to the Cape Grim Baseline Air Pollution Station to test the volatility of atmospheric CO2 concentration growth is equal to that of temperature growth, the student collected a random sample of n=16 past growth rates in atmospheric CO2 concentration, and computed a sample mean of 6.78%, a sample standard deviation of 1.049. What information is redundant to conduct this test? O) The sample mean of atmospheric CO2 concentration The sample standard deviation of atmospheric CO2 concentration () The variance of growth rate of temperature All information is essential