TELUS just launched an unlimited data plan and promoted to its cellphone subscribers. Conduct a chi-square test to determine whether there is a relationship between gender and rate plan upgrade (both nominal variables). Below is the table documenting the data about gender and subscribers' respective behavior: [5 marks]

Gender	Upgrade to Unlimited Data Plan	Did not upgrade to Unlimited Data Plan	Total
Male	46	71	117
Female	37	83	120
Total	83	154	237