1. ONE OFTHE DISTINCTIONS BETWEEN A POPULATION PARAMETER AND SAMPLE STATISTIC IS A. A SAMPLE STATISTIC CHANGES EACH TIME WE TRY TO MEASURE IT, BUT A POPULATION PARAMETER REMAINS FIXED B. A POPULATION PARAMETER CHANGES EACH TIME WE TRY TO MEASURE IT, BUT A SAMPLE STATISTIC REMAINS FIXED C. A POPULATION PARAMETER IS ONLY BASED ON CONCEPTUAL MEASUREMENTS, BUT A SAMPLE STATISTIC IS BASED ON A COMBINATION OF REAL AND CONCEPTUAL MEASUREMENTS D. THE TRUE VALUE OF A SAMPLE STATISTIC CAN NEVER BE KNOWN BUT THE TRUE VALUE OF A POPULATION PARAMETER CAN BE KNOWN 2. WHEN THE CORRELATION COEFFICIENT , r. IS CLOSETO ONE (1.0) A. THERE IS A STRONG LINEAR RELATIONSHIP BETWEEN THE TWO VARIABLES B. IT IS IMPOSSIBLE TO TELL IF THERE IS A RELATIONSHIP BETWEEN THE TWO VARIABLES C. THE SLOPE OF THE CORRELATION LINE WILL BE CLOSE TO ONE D. THERE IS NO RELATIONSHIP BETWEEN THE TWO VARIABLES 3. A MAGAZINE PRINTED A SURVEY IN ITS MONTHLY ISSUE AND ASKED READERS TO FILL IT OUT AND SEND ITIN. OVER 1000 READERS DID SO. THIS TYPE OF SAMPLE IS CALLED A. SELF - SELECTED SAMPLE B. STRATIFIED SAMPLE C. CLUSTER SAMPLE D. SIMPLE RANDOM SAMPLE 4. IF A RELATIONSHIP BETWEEN TWO VARIABLES IS CALLED STATISTICALLY SIGNIFICANT . IT MEANS THE INVESTIGATORS THINK THE VARIABLES ARE A. NOT RELATED IN THE POPULATION REPRESENTED BY THE SAMPLE B. VERY IMPORTANT C. RELATED IN THE POPULATION REPRESENTED BY THE SAMPLE D. RELATED IN THE SAMPLE DUE TO CHANCE ALONE