题目
题目

STAT_V 443 202 2024W2 Activity 2: The sample autocorrelation

数值题

(On Problem 6 of the worksheet) Round to 2 decimal places. Find r1.

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标准答案
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思路分析
The prompt asks us to round to 2 decimal places and find r1, but there are no answer options and no numerical data provided. First, I would identify all given quantities and relati......Login to view full explanation

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Sometimes, you'll be asked to "round your answer to a specific decimal." To get full marks, it's important to round correctly. Here’s a quick guide: Find the Digit to Round: Figure out which digit you need to round (like the nearest whole number, tenth, or hundredth). Check the Next Digit: Look at the digit just to the right of the one you’re rounding. Rounding Up: If the digit to the right is 5 or higher, increase the rounding digit by 1. Example: Round 47.6867 to two decimal places. Look at the third digit (6). Since it’s higher than 5, round up. 47.6867 becomes 47.69. Rounding Down: If the digit to the right is less than 5, keep the rounding digit the same. Example: Round 47.6349 to two decimal places. Look at the third digit (4). Since it’s less than 5, leave the second decimal unchanged. 47.6349 becomes 47.63. Evaluate 6.858 + 5.797 and round to two decimal places.

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