Step 3: Find the p-value of the test statistic. P(FEV p-value= A = 8A= 28 => 88==

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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▾ Part 1 of 4
A beverage company has two bottling plants in different parts of the world. To insure uniformity in
their product, the variances of the weights of the bottles at the two plants should be equal. But
Parvez, the company's vice president of quality assurance, suspects that the variance at bottling
plant A is less than the variance at bottling plant B. To test his suspicions, Parvez samples 34 bottles
from bottling plant A and 34 bottles from bottling plant B, with the following results (in ounces):
Bottling Plant A:
12.4, 12.5, 12, 13.3, 11.6, 11.9, 12.7, 13.1, 14.1, 12.4, 12, 12.4, 12.9, 12.2, 12.6, 12.7, 12.3, 12.5, 12.7,
12.7, 12.8, 12.8, 13.6, 11.4, 12.4, 12.5, 13.1, 12.6, 13.1, 12.6, 12.2, 12.9, 12.7, 13.5
Bottling Plant B:
12.1, 12.3, 12.2, 12.2, 12.4, 12.2, 12.2, 12.5, 12.4, 13.1, 12.2, 12.6, 12.1, 11.9, 13.2, 11.2, 12.9, 13.1,
11.6, 13.5, 12, 12.3, 12.4, 13, 12.9, 12.9, 12.4, 13.2, 12.5, 12.9, 13, 13.1, 12.3, 11.6
Perform a hypothesis test using a 7% level of significance to test Parvez's suspicions.
Step 1: State the null and alternative hypotheses.
Ho:
H。:
EV
(So we will be performing a left-tailed
Y Part 2 of 4
Step 2: Assuming the null hypothesis is true, determine the features of the distribution of
test statistics.
We will use a(n) F
dfA = 33
P(FSVV
✓✓distribution with numerator degrees of freedom
✓and denominator degrees of freedom dfB = 33
Step 3: Find the p-value of the test statistic.
✓✓test.)
ZA =
8A=
p-value =
Question Help: D Post to forum.
Submit Part
28 =
SR=
Part 3 of 4
Transcribed Image Text:▾ Part 1 of 4 A beverage company has two bottling plants in different parts of the world. To insure uniformity in their product, the variances of the weights of the bottles at the two plants should be equal. But Parvez, the company's vice president of quality assurance, suspects that the variance at bottling plant A is less than the variance at bottling plant B. To test his suspicions, Parvez samples 34 bottles from bottling plant A and 34 bottles from bottling plant B, with the following results (in ounces): Bottling Plant A: 12.4, 12.5, 12, 13.3, 11.6, 11.9, 12.7, 13.1, 14.1, 12.4, 12, 12.4, 12.9, 12.2, 12.6, 12.7, 12.3, 12.5, 12.7, 12.7, 12.8, 12.8, 13.6, 11.4, 12.4, 12.5, 13.1, 12.6, 13.1, 12.6, 12.2, 12.9, 12.7, 13.5 Bottling Plant B: 12.1, 12.3, 12.2, 12.2, 12.4, 12.2, 12.2, 12.5, 12.4, 13.1, 12.2, 12.6, 12.1, 11.9, 13.2, 11.2, 12.9, 13.1, 11.6, 13.5, 12, 12.3, 12.4, 13, 12.9, 12.9, 12.4, 13.2, 12.5, 12.9, 13, 13.1, 12.3, 11.6 Perform a hypothesis test using a 7% level of significance to test Parvez's suspicions. Step 1: State the null and alternative hypotheses. Ho: H。: EV (So we will be performing a left-tailed Y Part 2 of 4 Step 2: Assuming the null hypothesis is true, determine the features of the distribution of test statistics. We will use a(n) F dfA = 33 P(FSVV ✓✓distribution with numerator degrees of freedom ✓and denominator degrees of freedom dfB = 33 Step 3: Find the p-value of the test statistic. ✓✓test.) ZA = 8A= p-value = Question Help: D Post to forum. Submit Part 28 = SR= Part 3 of 4
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