China's paramount executive body is the State Planning Commission (SPC)

A mobile phone manufacturing company is said to functionally modify one of its products if it:

a. introduces a sleek and stylish version of the mobile phone with the same specifications. b. reduces the price of the mobile phone ahead of a sale. c. introduces stylish headphones for the mobile phone. d. releases a software update to fix the mobile phone's heating problem.

In advertising testing, attitude toward the brand was measured for respondents of a sample before and after seeing an ad for a brand. A one-sample t-test would then be used to evaluate whether the ad had any effect on attitude toward the ad

Indicate whether the statement is true or false