true or false and please explain why false

Determine whether the following statements are True or False. 2.1 Arithmetic options provide meaningful results for categorical variables that are numeric. (1 Point) 2.2 The number of observations will always be the same as the number of elements. (1 Point) 2.3 In a post ofce, the mailboxes are numbered from 1 to 4,500. These numbers represent quantitative data. (1 Point) 2.4 In observational studies, the variable of interest is controlled. (1 Point) 2.5 Your Social Security Number is a categorical variable. (1 Point) 2.6 Quantitative data can be non-numeric. (1 Point) 2.7 In the Census data, the variable Employment Status is coded in the way that 1 represents Employed, 2 indicates Unemployed, 3 denotes Not in Labor Force. In this case, the variable Employment Status is quantitative. (1 Point) 2.8 Data collected daily over a year are time series data. (1 Point) 2.9 A portion selected to represent the whole is called population. (1 Point) 2.10 The sample size is always smaller than the population size. (1 Point)