CogBooks' Course Acti $x$ It Transcript $x ∣ C$ CogBooks' Course Sect $\times ∣$ a Transcript-Chrome W $\times ∣ +$ ction $=$ activityBranding \&COURSEID $= 42328$ SECTIONID $= 243713$ 3. A researcher collected two samples of salivary cortisol levels (in micrograms per deciliter) from young adult women. In Sample A, with sample size of 15, the sample variance was .082. In Sample B, with sample size of 40 , the sample variance was .077. Which of the following statements is true?

There was more variability in Sample B.
There was more variability in Sample A.
The sample mean must have been positive in Sample A and Sample B.
The variability of the samples cannot be compared because the sample sizes were different.

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CogBooks' Course Acti

x

It Transcript

x ∣ C

CogBooks' Course Sect

\times ∣

a Transcript-Chrome W

\times ∣ +

ction

=

activityBranding \&COURSEID

= 42328

SECTIONID

= 243713

3. A researcher collected two samples of salivary cortisol levels (in micrograms per deciliter) from young adult women. In Sample A, with sample size of 15, the sample variance was .082. In Sample B, with sample size of 40 , the sample variance was .077. Which of the following statements is true?

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Question Text	CogBooks' Course Acti $x$ It Transcript $x ∣ C$ CogBooks' Course Sect $\times ∣$ a Transcript-Chrome W $\times ∣ +$ ction $=$ activityBranding \&COURSEID $= 42328$ SECTIONID $= 243713$ 3. A researcher collected two samples of salivary cortisol levels (in micrograms per deciliter) from young adult women. In Sample A, with sample size of 15, the sample variance was .082. In Sample B, with sample size of 40 , the sample variance was .077. Which of the following statements is true?
Topic	Analysis of Variance (ANOVA)
Subject	Statistics
Class	High School

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