1 The third quartile, denoted by Q 3, is the median of the upper half of the data set. 2  This means that about 75% of the numbers in the data set lie below Q 3 and about 25% lie above Q 3.
The Visa Waiver Program is a program that enables citizens of 35 participating countries to travel to the United States for stays of 90 days or less without a visa.t is not required to update your new travel details in ESTA, it is optional. ESTA approval is valid for two years from the date of issue. If you have lost your application number you are still eligible to enter the US.
1 Starting on January 12, 2009 citizens from Visa Waiver countries must apply for ESTA (U.S. Travel Authorization) in order to be eligible for admittance into the United States.2  The ESTA Travel Authorization is valid for up to two years and can easily be updated for future visits. Citizens of one the 37 Visa Waiver Countries (including the Netherlands) entering the U.S. under the Visa Waiver Program should apply. 2  It is recommended to apply for ESTA at least 72 hours prior to departure.