https://docs.google.com/spreadsheets/d/1DcXS96HY0qXiM4ntanyRb1fmCywtbxag58dFzNd6Tsc/edit?usp=sharing

Fibre-Optic Connector 1:Techcore is a high-tech company located in Fort Worth, Texas. The company produces a part called a fibre-optic connector (FOC) and wants to generate forecasts of the sales of FOCs over time. The company has weekly sales data for the past 265 weeks. The available variables are contained in the worksheet "FOC8" and defined as follows.

SALES: Sales of FOC (y)

COMPOSITE: Friday close of the NYSE Composite Index

INDUSTRIAL: Friday close of the NYSE Industrial Stocks

TRANS: Friday close of the NYSE Transportation Stocks

UTILITY: Friday close of the NYSE Utility Stocks

FINANCE: Friday close of the NYSE Financials

Perform a stepwise regression with the criterion for adding a variable set to .05 and the criterion for removing a variable set to .051. Use the resulting output to answer the following questions.

1. How many variables are in the modelafter

step #5 of the process? (Enter a whole number.)