Why a defenseman's +19 says more about the goaltender behind him than about his own defending is the case argued in this opening MT241 board post. Searches like "mt 241 unit 1 assignment example", "mt241 unit 1 sample" and "mt241 unit 1 example" land here.
What a finished MT241 Unit 1 discussion board post looks like
Roughly 370 words of first post, built on one small comparison, with the course text and a public hockey analytics site's glossary as its sources. The table sets three measures side by side for one defenseman: plus-minus at +19 for the season, then, at 5-on-5, a shot-attempt share of 46.8 percent and an expected-goals share of 47.5. A paragraph defines plus-minus as the league counts it: plus one for each even-strength or shorthanded goal his team scores with him on the ice, minus one for each the opponent scores, nothing for power-play goals. The next paragraph locates the gap in two numbers, goaltenders stopping 94.4 percent of shots with him on the ice against a team rate of 91.9. A 130-word reply then takes up quarterback wins, the statistic a classmate defended.
How a MT241 Unit 1 example is structured
What the statistic claimed, and what it could not show: the post takes those two halves of the prompt in turn. Its opening paragraph quotes the broadcast line and dates it, so the claim under test is fixed before anything argues with it. The definition comes second, because most of the error sits in what plus-minus counts: goals, which are rare, and which depend on both goaltenders as much as on any skater. The table follows, placed so a reader sees the three measures disagree before the post explains why. That explanation isolates the save percentage behind the player and reprices his goals against at the team rate. The post stops short of calling him a poor defender, since shot share has limits of its own, and claims only that plus-minus cannot rank him. The reply turns that test on quarterback wins.
The broadcast line, quoted
The analyst's words and the game date open the post, so the claim under test cannot drift. Plus nineteen was the highest mark on the club, and the broadcast offered it as settling who its best defender was.
What plus-minus actually counts
One point for each even-strength or shorthanded goal scored with the player on the ice, minus one for each allowed, power-play goals ignored. Nothing in the count separates his play from his linemates', his goaltender's or plain luck.
Three measures that disagree
Plus nineteen sits beside a 46.8 percent share of 5-on-5 shot attempts and a 47.5 percent share of expected goals. Two measures built on many events say opponents had the better of his shifts; the one built on few events says the opposite.
A save percentage doing the work
Goaltenders stopped 94.4 percent of shots with him on the ice and 91.9 percent across the team. At the team rate, roughly eleven more goals would have gone in during his shifts, taking his mark from +19 to about +8.
Reply: quarterback wins
A classmate cited a quarterback's winning record as proof of his quality. The reply asks the question the post asked of plus-minus: how much of a team result can a count assign to one player, and what share belongs to the defense?
Where marks go in MT241 Unit 1
A post that retells the broadcast and agrees or disagrees with it by instinct gives an MT241 grader nothing to check; the Unit 1 prompt usually wants the statistic defined and its failure located. Definitions borrowed loosely cost credit quickly, since plus-minus has exact counting rules and instructors notice when power-play goals are said to count. Overcorrecting is the second trap: declaring the player bad on one shot-share figure replaces one overreach with another. Posts that name luck without measuring it, never showing the save percentage behind the player, leave the explanation as a guess. A source is expected on most discussion rubrics here. Praise for a classmate's example, with no test applied to it, forfeits participation credit a pointed question would have earned.
Get a MT241 Unit 1 example written to your instructions
Which statistic have you heard misused: a plus-minus, a win-loss record credited to one player, a batting average over three weeks? Point to it, then forward how your section words the opening board and grades participation. Your first custom post, reply included, is free and comes back within 24-48h, the counting rule of the statistic stated exactly.
MT241 Unit 1 questions, answered
What is wrong with plus-minus as a hockey statistic?
It counts goals, which are rare, and credits every skater on the ice equally for each one. A player's mark therefore depends heavily on his linemates, his goaltender and short-run luck in shooting and saving. It is not meaningless, but over one season it ranks players poorly, which is why analysts prefer measures built on shot attempts or expected goals.
What is an on-ice save percentage?
The share of opponents' shots on goal stopped while a given skater was on the ice. Skaters have limited influence over it, so an unusually high figure mostly reflects the goaltender or luck rather than the skater's own defending. The example uses it to show how much of a +19 came from saves the defenseman did not make himself.
Does the Unit 1 post need data, or is an opinion enough?
Early MT241 prompts generally want a figure or two that put the statistic to a test, since the course is about what numbers can support. Public hockey analytics sites publish shot attempts, expected goals and on-ice percentages for every player, so the evidence is usually a few clicks away. An opinion about a statistic, with no count behind it, answers a different question.