A survey is conducted to determine the most common reasons people own a cell phone company sent out a survey to customers between the ages of 20 and 30 based on the responses the company concludes that people on cell phones for messaging purposes is this conclusion valid? yes because the sample includes male and female customers know because not all people who run phones have the same probability of being selected yes because the sample includes all customers between ages of 20 and 30. No because the sample includes customers of too many different ages ages
The conclusion is not valid because the survey was only conducted on customers between the ages of 20 and 30, which may not represent the entire population of cell phone owners. Additionally, the survey only focused on messaging purposes and may not have considered other reasons for owning a cell phone. It is important to ensure that the sample is representative of the entire population in order to draw accurate conclusions.
