In: Statistics and Probability
Estimate the true mean and standard deviation of the following data. (20 days, 5 samples in each day)
Day |
x1 |
x2 |
x3 |
x4 |
x5 |
1 |
839 |
585 |
583 |
613 |
768 |
2 |
706 |
527 |
956 |
644 |
612 |
3 |
322 |
614 |
807 |
282 |
170 |
4 |
1001 |
904 |
419 |
522 |
430 |
5 |
259 |
811 |
847 |
603 |
572 |
6 |
681 |
523 |
665 |
397 |
873 |
7 |
799 |
874 |
553 |
173 |
296 |
8 |
263 |
585 |
546 |
445 |
455 |
9 |
591 |
637 |
739 |
927 |
825 |
10 |
372 |
997 |
496 |
283 |
641 |
11 |
633 |
371 |
425 |
625 |
752 |
12 |
294 |
522 |
599 |
740 |
468 |
13 |
714 |
600 |
738 |
694 |
610 |
14 |
311 |
829 |
216 |
447 |
506 |
15 |
720 |
446 |
393 |
431 |
707 |
16 |
306 |
550 |
633 |
845 |
394 |
17 |
561 |
574 |
370 |
495 |
580 |
18 |
431 |
500 |
580 |
349 |
626 |
19 |
404 |
791 |
773 |
576 |
1073 |
20 |
640 |
687 |
754 |
627 |
482 |