makayla10119
15.02.2020 •
Mathematics
The average score of a random sample of 87 senior business majors at a university who took a certain standardized test follows a normal distribution with a standard deviation of 28. Use Excel to determine a 90% confidence interval for the mean of the population. Round your answers to two decimal places and use ascending order.
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Ответ:
This question is incomplete. The complete question is given below:
The average score of a random sample of 87 senior business majors at a university who took a certain standardized test follows a normal distribution with a standard deviation of 28. Use Excel to determine a 90% confidence interval for the mean of the population. Round your answers to two decimal places and use ascending order.
Score
516
536
462
461
519
496
517
488
521
487
535
473
524
535
501
474
485
548
463
514
505
460
499
534
539
534
489
520
451
481
559
564
514
461
504
534
510
538
501
607
509
554
547
474
566
560
429
484
492
495
556
534
504
476
539
543
551
497
514
530
559
472
459
493
555
512
515
503
530
560
562
482
582
523
535
509
471
513
503
516
534
499
525
559
459
509
587
The answer & explanation for this question is given in the attachment below.
Ответ:
20
Step-by-step explanation: