1. Two samples drawn from normal distributions with the following sample sizes: ni = 15 and na= 15. sample means X,= 6.2 and x= 7.8, and sample variances s, =4 and s = 6.25. Assuming they have equal variances. Their pooled estimator of variance (S,) is: a) 49.64 (6) 5.125 c) 6.5 d) 46.1 e) 7.045 The first
1. Two samples drawn from normal distributions with the following sample sizes: ni = 15 and na= 15. sample means X,= 6.2 and x= 7.8, and sample variances s, =4 and s = 6.25. Assuming they have equal variances. Their pooled estimator of variance (S,) is: a) 49.64 (6) 5.125 c) 6.5 d) 46.1 e) 7.045 The first
MATLAB: An Introduction with Applications
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![1. Two samples drawn from normal distributions with the following sample sizes: ni = 15 and na= 15,
sample means x= 6.2 and x= 7.8, and sample variances s, = 4 and sz = 6.25. Assuming they have
equal variances. Their pooled estimator of variance (S,) is:
a) 49.64
6) 5.125
c) 6.5
d) 46.1
e) 7.045
ionce The first](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb81932d8-6578-4fbe-b885-9fb6ffabbd7a%2F900c30dc-7daf-4a19-89f8-8288bae1fa88%2Fgxsou5d_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. Two samples drawn from normal distributions with the following sample sizes: ni = 15 and na= 15,
sample means x= 6.2 and x= 7.8, and sample variances s, = 4 and sz = 6.25. Assuming they have
equal variances. Their pooled estimator of variance (S,) is:
a) 49.64
6) 5.125
c) 6.5
d) 46.1
e) 7.045
ionce The first
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