Two random samples of 15 customers in diferent banks were selected and their wait times (in minutes) are given below Use these data to complete parts (a) to (d) below Bank A 363 3.15 6 04 4.32 5 40 8.16 0.36 5 09 6 38 6.13 O 3 85 962 10 51 417 311 574 4 15 507 876 6.18 472 2.32 8 08 5 52 Bank B 5.92 391 8 26 6.77 563 997 a is there evidence of a difference in the vanablity of the wating time belween the two banks? (Use a0 10) Determine the hypotheses Choose the correct answer below OB H, of sa H, o OD. H of z0 H, of -o Caculale the F test statstic (Round to two decimal places as needed) Determine the cntical value(s) Select the corect choice below and fil in the answer boxjes) to complete your choice (Round to two decimal places as needed) OA Since the altornative hypothesis in ee, the critical value is Fu and F OB Since the allernative hypothess is oe the criical values are F OC. Snce the alternative hypothesis is e e, the critical value is F

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Two random samples of 15 customers in diferent banks were selected and their wait times (in minutes) are given below Use these data to complete parts
to (d) below
Bank A
363
3.15
4.32
6 04
0.36
5 09
638
6.13 O
5 40
3 85
962
10 51
417
311
574
4 15
507
472
2.32
8 08
5 52
Bank B
592
8.16
563
8 76
6.18
391
8.26
6.77
997
a is there evidence of a difference in the vanablity of the wating time belween the two banks? (Use a0 10)
Determine the hypotheses Choose the correct answer below
OA H o-
OB H, of sa
OD. H of z0
H, of -o
Caculale the F test statstic
(Round to two decimal places as needed)
Determene the critical value(s) Select the comrect choice below and fil in the answer boxtes) to complete your choice
(Round to two decimal places as needed)
OA Since the altornative hypothesis is ee, the crtical value is Fu
and F
OB Since the allernative hypothess s ee the criical values are F
OC. Snce the altemative hypothesis is ef es. the critical value
Transcribed Image Text:Two random samples of 15 customers in diferent banks were selected and their wait times (in minutes) are given below Use these data to complete parts to (d) below Bank A 363 3.15 4.32 6 04 0.36 5 09 638 6.13 O 5 40 3 85 962 10 51 417 311 574 4 15 507 472 2.32 8 08 5 52 Bank B 592 8.16 563 8 76 6.18 391 8.26 6.77 997 a is there evidence of a difference in the vanablity of the wating time belween the two banks? (Use a0 10) Determine the hypotheses Choose the correct answer below OA H o- OB H, of sa OD. H of z0 H, of -o Caculale the F test statstic (Round to two decimal places as needed) Determene the critical value(s) Select the comrect choice below and fil in the answer boxtes) to complete your choice (Round to two decimal places as needed) OA Since the altornative hypothesis is ee, the crtical value is Fu and F OB Since the allernative hypothess s ee the criical values are F OC. Snce the altemative hypothesis is ef es. the critical value
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