Given: YearNumber of Enrolled Students BTech(120)MTech(30)MPhil(20)MBA(60)Total(230)2016962412521802017110261457207201810825135420020191122815562112020104271648195Formula Used:Total Seats = Enrolled Seats + Vacant SeatsCalculation:Vacant Seats in MTech for 2016-2020 = (30 - 24) + (30 - 26) + (30 - 25) + (30 - 28) + (30 - 27) Now, average vacant seats of M Tech = (6 + 4 + 5 + 2 + 3)/5? 20/5 = 4Vacant Seats in MBA for 2016-2020 = (60 - 52) + (60 - 57) + (60 - 54) + (60 - 56) + (60 - 48) Now, average vacant seats of M Tech = (8 + 3 + 6 + 4 + 12)/5? 33/5 = 6.6So, the difference between average vacant seats of M Tech and MBA for 2016-2020 = 6.6 - 4 = 2.6? The difference between average vacant seats of M Tech and MBA for 2016-2020 is 2.6