Thinking out loud.

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Presentation transcript:

Thinking out loud

Traffic Scenario 1A 2B 2A 1B

How would you set up the intersection? An exercise in Monday morning quarterbacking

Basic Model Traffic Lane Max Length of Light Minimum Length of Light Time for car to clear intersection # Of Cars Time Needed Time Given (s) # Of Cars Leftover Lane 1A Lane 1B Lane 2A Lane 2B

IF loving you is wrong THEN I don’t want to be right

IF-THEN Statements If, Then, Else (a.k.a. Otherwise) What is your procedure? In excel this is written as : IF(Condition, True Value, False Value)

Sample Problem 1 If a driver is going over 65 mph a speeding ticket should be issued.

Sample Problem 1 Speed > 65 Yes No Issue Ticket No Ticket

Sample Problem 1 Speed Caught Traveling Action To Be Taken 65 Issue Ticket 55 No Ticket Speed Caught Traveling Action To Be Taken 65 =IF(A11<65,"No Ticket","Issue Ticket") 55 =IF(A12<65,"No Ticket","Issue Ticket")

Nested IF-THEN Statements What if you have a second condition? IF(Cond, True ,IF(Cond, True, False))

Sample Problem 2 If a driver is going over 65 mph or under 45 mph a speeding ticket should be issued.

Sample Problem 2 Speed < 40 Yes No Issue Ticket Speed > 65 Yes No Ticket

Nested IF-THEN Statements Speed 65 =IF(A11>64,"Ticket",IF(A11<40,"Ticket","No Ticket")) 14 =IF(A12>64,"Ticket",IF(A12<40,"Ticket","No Ticket")) 55 =IF(A13>64,"Ticket",IF(A13<40,"Ticket","No Ticket")) Speed 65 Ticket 14 55 No Ticket

Basic Model Traffic Lane Max Length of Light Minimum Length of Light Time for car to clear intersection # Of Cars Time Needed Time Given (s) # Of Cars Leftover Lane 1A Lane 1B Lane 2A Lane 2B

Directions Break the problem into steps and verbalize what you want to do with your partner. Draw a flow chart that outlines your solution Add columns to your spread sheet and perform to perform the necessary calculations in stages