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Question 21 (2 points) In statistics, _________________________ classification includes data according to the time period in which the items under consideration occurred. 0 A. Chronological O B. Alphabetical 0 C. Geographical O D. Topological Question 22 (2 points) Both the sampling as well as the non-sampling errors must be reduced to a minimum in order to get as representative a sample of the _________________ as possible. 0 A. Group 0 B. Region 0 C. Population 0 D. Universe Question 23 (2 points) _______________ means separating items according to similar characteristics and grouping them into various classes. 0 A. Tabulation O B. Editing 0 C. Separation O D. Classification Question 24 {2 points) A summary measure that describes any given characteristic of the population is known as a O A. Parameter O B. Information 0 C. Inference O D. Statistics Question 25 {2 points) Graphical and numerical methods are specialized processes utilised in O A. Education Statistics 0 B. Descriptive Statistics 0 C. Business Statistics 0 D. Social Statistics Question 26 {2 points) Which of the following sets of scores has the greatest variability {range}? 0 A. 2, 5, 3, 11 O B.13,13,13,13 O c. 20, 25, 26, 27 O D. 42.43. 44,45 Question 27 {2 points) When an investigator uses the data which has already been collected by others, such data is called 0 A. Primary data 0 B. Collected data 0 C. Processed data 0 D. Secondary data Question 23 {2 points) A Pearson correlation of r=-0.6 indicates O A. An increase in X is accompanied by an increase in Y; the relationship is strong. 0 B. An increase in X is accompanied by an increase in Y: the relationship is moderate. O C. An increase in X is accompanied by a decrease in Y; the relationship is strong. 0 D. An increase in X is accompanied by a decrease in Y; the relationship is moderate. Question 29 (2 points) Ateacher gave a statistics test to a class of Geography students and computed the measures of central tendency for the test scores. Which of the following statements cannot be an accurate description of the scores? 0 A. The majority of students had scores above the mean. 0 B. The majority of students had scores above the median. O C. The majority of students had scores above the mode. 0 D. The majority of students had scores below the mean. Question 3012 points) The standard deviation for 15, 22, 27, 11, 9, 21, 14, 9 is