Choose appropriate answers:
1. Please review the time series shown in the figure below and determine the period and frequency of the time series
2. Figure below shows a histogram of a time series. The time series statistics are mean= 16.15, median=15.3, mode=16.2, standard deviation=5.2, skewness=0.645 , kurtosis=1.258. Choose which answer is true.
3. Climatological tercile limits of a time series shown in Table below are 5.5 and 9. What is the distribution between below, near and above normal classes for the 15 years of the time series data?