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fix(curriculum): improve instructions for Stats calculator step 22 (#53108)

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Piyush
2024-01-11 11:40:02 +05:30
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curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/learn-advanced-array-methods-by-building-a-statistics-calculator/635090f47eb6d9563a6fed05.md
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@@ -31,7 +31,7 @@ Your `median` variable should use a ternary operator to check if the `array.leng
assert.match(getMedian.toString(), /median\s*=\s*array\.length\s*%\s*2\s*===\s*0\s*\?/); assert.match(getMedian.toString(), /median\s*=\s*array\.length\s*%\s*2\s*===\s*0\s*\?/);
``` ```
If the `array.length` is even, your `median` variable should use the `getMean` function to calculate the mean of the two middle numbers. Your first argument should be the value of `sorted` at `array.length / 2`, and the second at `array.length / 2 - 1`. If `array.length` is even, pass an array with the two middle numbers from the `sorted` array to the `getMean` function. The first item in the array argument should be the value at index `array.length / 2` from `sorted` and the second should use the value at the index `array.length / 2 - 1` from `sorted`.
```js ```js
assert.match(getMedian.toString(), /median\s*=\s*array\.length\s*%\s*2\s*===\s*0\s*\?\s*getMean\(\s*\[sorted\[array\.length\s*\/\s*2\]\s*,\s*sorted\[\s*array\.length\s*\/\s*2\s*-\s*1\]\]\)\s*\:/); assert.match(getMedian.toString(), /median\s*=\s*array\.length\s*%\s*2\s*===\s*0\s*\?\s*getMean\(\s*\[sorted\[array\.length\s*\/\s*2\]\s*,\s*sorted\[\s*array\.length\s*\/\s*2\s*-\s*1\]\]\)\s*\:/);