2. For each situation, determine whether the data represents one- variable or two-variable data. Justify your answer. Then write, in your own words, a summary of the properties of one-and two-variable data. a) A class surveys grade \( 12 \) students on the time spent on mathematics and English homework. b) A market research company compiles data on the number of cellular telephones sold by each cellular telephone company. c) A family records the distance travelled by car and the volume of gas used when visiting relatives. d) A grocery store managerrrecords the volume of organic produce sold from each produce supplier.