Using R please write the code to answer the following questions about the dataset above

c) Summarize the variables in the ridmov data. For numeric variables Income and Lot_Size, calculate their mean, median, variance and standard deviation. For the character variable - Ownership, tabulate the count of Owner and Nonowner

d) Calculate the mean, standard deviation of Income and Lot_Size by Ownership variable

e) Filter observations with Income less than 50 and Ownership status equal to Owner

f) Filter observations with Income greater than equal to 50 or Lot_Size greater than equal to 10

RidingMowers Untitled1 x Filter Income Lot_Size Ownership 1 51.0 22.0 Owner 2 60.0 18.4 Owner 3 61.5 20.8 Owner 4. 64.8 21.6 Owner 5 5 69.0 20.0 Owner 6 81.0 20.0 Owner 7 82.8 22.4 Owner 8 85.5 16.8 Owner 9 87.0 23.6 Owner 10 93.0 20.8 Owner 11 108.0 17.6 Owner 12 110.1 19.2 Owner 13 33.0 18.8 Nonowner 14 43.2 20.4 Nonowner 15 47.4 16.4 Nonowner 16 49.2 17.6 Nonowner 17 51.0 14.0 Nonowner 18 52.8 20.8 Nonowner 19 59.4 16.0 Nonowner 20 63.0 14.8 Nonowner 21 64.8 17.2 Nonowner 22 66.0 18.4 Nonowner 23 75.0 19.6 Nonowner 24 84.0 17.6 Nonowner