Fall 2025

Department of Mathematics

Course Title: Introduction to Statistics
Course Number: STAT 420 - Section 0101
Credit Hours: 3
Textbook: Introduction to MATHEMATICAL STATISTICS
By Hogg, McKean and Craig, 8th Edition (2018)
Course WebPage: http://www.math.umd.edu/~jjren/STAT420
Prerequisite: STAT 410 or equivalent


Test 1:
Test Statistics     Stem-Leaf Plot
 *      2 | 78
Number of Students 16 *      3 | 9
Median 65 *      4 | 1338
Mean 59.9 *      5 | 3
S.D. 21.9 *      6 | 455
Lowest Score 27 *      7 | 269
Highest Score 96 *      8 | 1
 *      9 | 16

Letter Grade for Test 1
A: 85 - 100 (2); B: 64 - 84 (7); C: 53 - 63 (1); D: 39 - 54 (5); F: 0 - 38 (2)
NOTE: The total number of students for each letter grade is given in the parenthesis.