Please answer 1st quartile , 4th decile and 35th percentile Consider the following 29 years worth of observed annual rainfalldata (in inches) for a certain weather station shown. Treat the dataas samples only. (Note: The data are arranged in chronologicalmanner.)43.30 53.02 63.52 45.93 48.26 50.51 49.57 43.93 46.7759.1254.49 47.38 40.78 45.05 50.37 54.91 51.28 40.01 53.2967.5958.71 42.96 55.77 41.31 58.83 48.21 44.67 67.72 43.11(a) Make a time-series line graph showing the trend of observedrainfall data through time. (For year, just denote it as Year 1, Year 2etc.). Draw the line graph by hand.(b) Make a grouped data representing the given rainfall data. Usethe following class intervals: 40<=X<45, 45<=X<50, 50<=X<55,55<=X<60, 60<=X<65, and 65<=X<70.(c) Using the grouped data from (b), calculate the following:o mean, median, and modeo variance, standard deviation, coefficient of variation, first 58.71 42.96 55.77 41.31 58.83 48.21 44.67 67.72 43.11(a) Make a time-series line graph showing the trend of observedrainfall data through time. (For year, just denote it as Year 1, Year 2etc.). Draw the line graph by hand.(b) Make a grouped data representing the given rainfall data. Usethe following class intervals: 40=X<45, 45<=X<50, 50<=X<55,55<=X<60, 60<=X<65, and 65<=X<70.(c) Using the grouped data from (b), calculate the following:o mean, median, and modeo variance, standard deviation, coefficient of variation, firstcoefficient of skewness (classify also if the data set issymmetric, positively skewed, or negatively skewed), andcoefficient of kurtosis (classify also if the data set ismesokurtic, platykurtic, or leptokurtic)o 1st quartile, 4th decile, and 35th percentile

Quartile : The numbers that divide a list of numerical data into three quarters are known as…

Consider the following 29 years worth of observed annual rainfall data (in inches) for a certain weather station shown. Treat the data as samples only. (Note: The data are arranged in chronological manner.) 43.30 53.02 63.52 45.93 48.26 50.51 49.57 43.93 46.77 59.12 54.49 47.38 40.78 45.05 50.37 54.91 51.28 40.01 53.29 67.59 58.71 42.96 55.77 41.31 58.83 48.21 44.67 67.72 43.11