1. Which of the following divides a group of data Into 4 subgroups? (A) Percentiles (B) Quartiles (C) Standard Deviation 2. A set of 15 observations has mean 5. If standard deviation; S=0, then the value of IQR is (A)10(B)3 (B) 3 (C) 5 3. The height of a student is 60 inches. This is an example of (A) Categorical data (B) Qualitative data least what proportion of the values lie between 30 and 130 ? (A) 51% (B) 35% 95% of the test scores are between 13 and 19 . What is the mean of the marks (x) ? (A) 15 (B) 35 (C) 13 distribution is: (A) Right-skewed (B) Left-skewed (C) Asymptotic (D) 16 measurement 5 is 0.4. The value of (x,s) is (D) Symmetrical (A) (7.5,6.25) (B) (10,5) (C) (7.5,2) (D) (0.4,0.4) Page 1 of 2