The Interesting Thing About Confidence Intervals Established Employing Stratified Sampling

question 105

Multiple Choice

The interesting thing about confidence intervals established employing stratified sampling is that

• A)The within-strata variability does not enter into the calculation of the standard error of estimate.
• B)The between-strata variability does not enter into the calculation of the standard error of estimate.
• C)Neither the within-strata variability nor the between-strata variability enters into the calculation of the standard error of estimate.
• D)The confidence interval is wider than that established employing simple random sampling.
• E)The sample mean provides a biased estimate of the population mean.

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Definitions:

Insecure-avoidant Attachment

A type of attachment style identified in children who tend to avoid close contact with their caregivers and do not seek much comfort or attention from them.

Disorganized-disoriented Attachment

A type of attachment pattern seen in some children, characterized by a lack of clear attachment behavior and confusion around caregivers.

Insecure-resistant Attachment

A type of attachment characterized by anxiety and uncertainty in relationships, where individuals are overly dependent and struggle with trust and dependency.

Securely Attached

A type of attachment style identified in psychology where individuals feel confident and secure in their relationships.