At the .05 significance level can the testing agency conclude that there is a difference in the rental charged?

A random sample of eight cities revealed the following information. See table below

Answer the following :

• What is the Mean of the differences value?
• What is the value of the standard deviaton of the differences?
• What is the t calculated value ?
• What is the ?d²value?
• What is the (?d)²value?
• Would you reject H_o? ( Yes / No )

City Hertz ($) Avis ($) Edmonton 42 40 Calgary 56 52 Fredericton 45 48 Montreal 48 52 Regina 37 36 Toronto 45 AA Saint John 41 40 Vancouver 46 45