A bank randomly selected 800 of its customers and invited them to participate in a one-year trial of a budgeting and savings app. The customers were shown a description of the app, which allows users to set savings goals, track spending, monitor progress toward those goals, and receive reminders. Three hundred customers chose to participate. At the start of the trial, the analysts provided those 300 customers with access to the app. At the end of the year, the analysts measured the percentage of income saved by all 800 customers and found that the customers who had used the app had saved a significantly greater percentage of their income, on average, than those who had not. The analysts hypothesized that using the app increased the percentage of income that customers saved. It would be most helpful in evaluating the analysts’ hypothesis to know whether the analysts ___ 1 ___ before they ___ 2 ___. Select Analysts for the phrase that fills the blank labeled 1 and Before for the phrase that fills the blank labeled 2 to create the most accurate statement on the basis of the information provided. Make only two selections, one in each column.

A bank randomly selected 800 of its customers and invited them to part : Two-part Analysis (TPA)

Analysts	Before
		assigned customers to the app-user and nonuser groups
		provided participating customers with access to the app
		recorded how long each customer had been a customer of the bank
		measured the percentage of income each customer was saving
		recorded the number of banking transactions each customer made