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 2:
Test Statistics     Stem-Leaf Plot
 *      1 | 00
 *      2 | 038
Number of Students 17 *      3 | 008
Median 42 *      4 | 2378
Mean 43.6 *      5 |8
S.D. 26.2 *      6 |
Lowest Score 10 *      7 | 288
Highest Score 100 *      8 |
 *      9 |
 *    10 | 0

Letter Grade for Test 2
A: 85 - 100 (1); B: 70 - 84 (3); C: 55 - 69 (1); D: 38 - 54 (5); F: 0 - 37 (7)
NOTE: The total number of students for each letter grade is given in the parenthesis.