he instructor takes a random sample of size from the population data and obtains the following sample data: X 405 385 495 385 555 470 The sample variance is: 3,487.66 a b 3986.81 4,305.75 4,784.17 d
he instructor takes a random sample of size from the population data and obtains the following sample data: X 405 385 495 385 555 470 The sample variance is: 3,487.66 a b 3986.81 4,305.75 4,784.17 d
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
A statistics instructor asks each student in his classes to report how much the student spent on textbooks for the semester. The figures reported by students are shown below. |
725 | 735 | 555 | 420 | 385 | 480 | 505 | 270 | 405 |
285 | 585 | 450 | 515 | 560 | 500 | 395 | 545 | 595 |
365 | 455 | 505 | 345 | 555 | 485 | 560 | 475 | 520 |
455 | 355 | 590 | 550 | 495 | 505 | 505 | 495 | 465 |
370 | 355 | 480 | 385 | 515 | 605 | 480 | 410 | 485 |
560 | 475 | 350 | 465 | 435 | 455 | 380 | 320 | 535 |
565 | 520 | 510 | 495 | 485 | 650 | 490 | 295 | 555 |
540 | 565 | 490 | 570 | 380 | 610 | 600 | 390 | 375 |
390 | 335 | 525 | 445 | 540 | 490 | 485 | 555 | 440 |
560 | 405 | 590 | 520 | 470 | 560 | 510 | 340 | 385 |
585 | 635 | 415 | 455 | 590 | 385 | 505 | 510 | 545 |
405 | 470 | 560 | 495 | 515 | 495 | 595 | 565 | 615 |
470 | 680 | 465 | 470 | 310 | 470 | 505 | 465 | 375 |
360 | 650 | 460 | 560 | 500 | 375 | 500 | 370 | 415 |
490 | 440 | 470 | 525 | 535 | 640 | 385 | 475 | 425 |
595 | 505 | 365 | 485 | 495 | 390 | 380 | 585 | 690 |

Transcribed Image Text:The instructor takes a random sample of size from the population data and obtains the following sample data:
405
385
495
385
555
470
1
The sample variance is:
a
3,487.66
b
3986.81
4,305.75
d
4,784.17
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps

Recommended textbooks for you

MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc

Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning

MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc

Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning

Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON

The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman

Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman