Please indicate whether each of the following statements is true or false 1.The variable MonthlyCharges is a continuous numerical variable. 2.The variable SeniorCitizen is a discrete numerical variable. 3.The variable PaymentMethod is an ordinal variable. 4.The variable Tenure is a discrete numerical variable. 5.As a type of incidental data, profile data such as gender in this case is relatively static. 6. In this case, the data Mark is using is qualitative. 7. In this case, Mark uses internal data that is collected by ongoing business activities. 8.In order to convert the categorical variable, PaymentMethod, to a numerical attribute, Mark should create four dummy variables.