MIDTERM EXAM MC306 ( LATEST UPDATE ) GRADED A+

True/False Please indicate if the following statements are true or false. 1. The variable of height is an example of a quantitative variable. True 2. Rating a restaurant by a number of stars is an example of an ordinal level of measurement. True 3. In a research study, it is always preferable for the researcher to choose his participants as carefully as possible rather than randomly accept samples. False 4. In the following chart, the height is the independent variable and the age of the tree is the dependent variable. False 5. The lower class limit represents the smallest data value that can be included in the class. True 6. The cumulative frequency is the sum of the frequencies accumulated to the upper boundary of a class in the distribution. True 7. A frequency polygon and a histogram have the same overall shape. True