Question
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Solving time: 4 mins
Let the mean and variance of four numbers 3, 7, x and y (x > y) be 5 and 10 respectively. Then the mean of four numbers 3 + 2x, 7 + 2y, x + y and x – y is ________.
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Question Text | Let the mean and variance of four numbers 3, 7, x and y (x > y) be 5 and 10 respectively. Then the mean of four numbers 3 + 2x, 7 + 2y, x + y and x – y is ________. |
Updated On | Jan 14, 2023 |
Topic | Statistics |
Subject | Mathematics |
Class | Class 11 |
Answer Type | Text solution:1 Video solution: 1 |
Upvotes | 196 |
Avg. Video Duration | 6 min |