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.

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.

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.