Questions 20-22 are related The director of admission at a large state university advises parents of incoming students about the cost of textbooks during a typical semester. Data for the textbook cost for a typical semester were obtained from a random sample of students. The sample data is shown in data 20. The sa 20 a b с d 21 a b с d 22 a b с d 23 a b с d 470 290 735 550 530 670 575 590 605 415 570 460 575 665 630 565 315 415 530 690 580 735 525 395 340 355 425 550 605 600 290 430 535 Η : μ > 500 H : μ > 500 The test statistic for the hypothesis test is, 1.463 1.662 1.889 2.146 64.9 64.9 65 700 550 425 580 620 540 720 570 505 385 535 data20 64.6 65.8 65.1 405 580 845 680 415 260 125 800 315 64.9 65.2 63.8 500 665 Which of the following is the correct statement of the null and alternative hypotheses? H:μ > 500 H : μ = 500 Η : μ > 500 H : μ < 500 H : μ < 500 Η : μ ε 500 475 580 500 530 425 635 430 460 640 340 440 The P-value for this test is At a = 0.05 what is your conclusion? 0.0734 Reject H. Conclude the mean textbook expense is greater than $500. 0.0734 Do not reject H. Do not conclude the mean textbook expense is greater than $500. 63.8 66.7 63 495 0.0367 Reject H. Conclude the mean textbook expense is greater than $500. 0.0367 Do not reject H. Do not conclude the mean textbook expense is greater than $500. 720 395 495 615 470 480 490 460 500 775 To test, at a 5% level of significance, if the average fill of half-gallon milk containers is 64 ounces, a random sample of containers were selected, which yielded the data here (data23). 64.3 61.8 64.2 530 285 645 645 605 480 445 405 710 555 535 $500 The test statistic for the hypothesis test is, 1.785 Do not reject H. Conclude the mean content is not different from 64 ounces. 1.899 Do not reject H. Conclude the mean content is not different from 64 ounces. 2.020 Reject H. Conclude the mean content is different from 64 ounces. 2.149 Reject H. Conclude the mean content is different from 64 ounces. 240 580 180 670 325 560 630 580 755 365 505
Questions 20-22 are related The director of admission at a large state university advises parents of incoming students about the cost of textbooks during a typical semester. Data for the textbook cost for a typical semester were obtained from a random sample of students. The sample data is shown in data 20. The sa 20 a b с d 21 a b с d 22 a b с d 23 a b с d 470 290 735 550 530 670 575 590 605 415 570 460 575 665 630 565 315 415 530 690 580 735 525 395 340 355 425 550 605 600 290 430 535 Η : μ > 500 H : μ > 500 The test statistic for the hypothesis test is, 1.463 1.662 1.889 2.146 64.9 64.9 65 700 550 425 580 620 540 720 570 505 385 535 data20 64.6 65.8 65.1 405 580 845 680 415 260 125 800 315 64.9 65.2 63.8 500 665 Which of the following is the correct statement of the null and alternative hypotheses? H:μ > 500 H : μ = 500 Η : μ > 500 H : μ < 500 H : μ < 500 Η : μ ε 500 475 580 500 530 425 635 430 460 640 340 440 The P-value for this test is At a = 0.05 what is your conclusion? 0.0734 Reject H. Conclude the mean textbook expense is greater than $500. 0.0734 Do not reject H. Do not conclude the mean textbook expense is greater than $500. 63.8 66.7 63 495 0.0367 Reject H. Conclude the mean textbook expense is greater than $500. 0.0367 Do not reject H. Do not conclude the mean textbook expense is greater than $500. 720 395 495 615 470 480 490 460 500 775 To test, at a 5% level of significance, if the average fill of half-gallon milk containers is 64 ounces, a random sample of containers were selected, which yielded the data here (data23). 64.3 61.8 64.2 530 285 645 645 605 480 445 405 710 555 535 $500 The test statistic for the hypothesis test is, 1.785 Do not reject H. Conclude the mean content is not different from 64 ounces. 1.899 Do not reject H. Conclude the mean content is not different from 64 ounces. 2.020 Reject H. Conclude the mean content is different from 64 ounces. 2.149 Reject H. Conclude the mean content is different from 64 ounces. 240 580 180 670 325 560 630 580 755 365 505
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
Transcribed Image Text:Questions 20-22 are related
The director of admission at a large state university advises parents of incoming students about the cost of textbooks
during a typical semester.
Data for the textbook cost for a typical semester were obtained from a random sample of students. The sample data
is shown in data 20.
The sa
20
a
b
с
d
21
a
b
с
d
22
a
b
с
d
23
a
b
с
d
470
290
735
550
530
670
575
590
605
415
570
460
575
665
630
565
315
415
530
690
580
735
525
395
340
355
425
550
605
600
290
430
535
The test statistic for the hypothesis test is,
1.463
1.662
1.889
2.146
700
550
425
580
620
540
720
570
505
385
535
64.9
64.9
65
data20
64.6
65.8
65.1
405
580
845
680
415
64.9
65.2
63.8
260
125
800
315
500
665
475
580
500
530
425
635
63.8
66.7
63
430
460
640
340
440
Which of the following is the correct statement of the null and alternative hypotheses?
H:μ > 500
H : μ ≤ 500
Η : μ > 500
H
:μ < 500
H
: μ < 500
Η : μ ε 500
H:μ ≥ 500
H:μ> 500
495
720
395
495
615
470
480
490
The P-value for this test is
At a = 0.05 what is your conclusion?
0.0734 Reject H. Conclude the mean textbook expense is greater than $500.
0.0734 Do not reject H. Do not conclude the mean textbook expense is greater than $500.
0.0367 Reject H. Conclude the mean textbook expense is greater than $500.
0.0367 Do not reject H. Do not conclude the mean textbook expense is greater than $500.
64.3
61.8
64.2
460
500
775
To test, at a 5% level of significance, if the average fill of half-gallon milk containers is 64 ounces, a random sample of
containers were selected, which yielded the data here (data23).
530
285
645
645
605
480
445
405
710
555
535
$500
The test statistic for the hypothesis test is,
1.785 Do not reject H. Conclude the mean content is not different from 64 ounces.
1.899 Do not reject H. Conclude the mean content is not different from 64 ounces.
2.020 Reject H. Conclude the mean content is different from 64 ounces.
2.149 Reject H. Conclude the mean content is different from 64 ounces.
240
580
180
670
325
560
630
580
755
365
505
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