Question 4 (1 point) The following research objective is being discussed: The biology group is falling behind in their project of studying sleeping habits of students. To speed things up, they only sample the first 30 students they see walking into the library. Which sampling method would be most appropriate? Cluster sampling Simple random sampling Convenience sampling Snowball sampling Stratified sampling Question 5 (1 point) The following research objective is being discussed: Randomly selecting three flavors if ice cream in the store from their selection of 23 flavors. Which sampling method would be most appropriate? Cluster sampling Simple random sampling OK-in-one random sampling Quota sampling Stratified sampling Question 6 (1 point) Identify the following variable's type: Wage. Is it numerical or categorical? Numerical data Categorical dataQuestion 7 (1 point) Identify the following variable's type: Position in the company. Is it numerical or categorical? ONumerical data OCategorical data Question 8 (1 point) Identify the following variable's level: Wage. Is it nominal, ordinal, interval, or ratio? O Ratio. Nominal. O Ordinal. O Independent. Question 9 (1 point) Identify the following variable's level: Progression of cancer. Is it nominal, ordinal, interval, or ratio? Ordinal. Interval. Dependent. Independent