The Following Random Sample from a Population Whose Values Were

question 74

Multiple Choice

The following random sample from a population whose values were normally distributed was collected. 10 8 11 11 The 95% confidence interval for μ is

• A) 8.52 to 10.98
• B) 7.75 to 12.25
• C) 9.75 to 10.75
• D) 8.00 to 10.00

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Definitions:

DfWG

Degree of Freedom Within Groups, which quantifies the variability of observations within individual groups in an ANOVA test.

One-way ANOVA

A statistical test utilized to compare the means of three or more independent groups to determine if there is a significant difference among them.

F-ratio

A statistic commonly used in ANOVA (Analysis of Variance) to compare the variances between groups to see if there is a significant difference between them.

Critical Value

A point on the scale of the test statistic beyond which the null hypothesis is rejected; it depends on the chosen significance level.