A Researcher Has Calculated the 95% Confidence Interval

question 38

Multiple Choice

A researcher has calculated the 95% confidence interval. What does that mean?

• A) The process she used captures the true population statistic 95% of the time in the long run
• B) She can be "95% confident" that her interval will include the population parameter
• C) She can be "5% confident" that her interval will includes the population parameter
• D) She can reject the null hypothesis.

Explain why certain types of data (nominal, ordinal) do not support certain statistical operations.

Apply correct data classification in designing surveys and analyzing survey data.

Interpret the meaning and limitations of different variable types in research contexts.

Analyze the suitability of data visualization types (bar charts, pie charts) for various data.

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Definitions:

Semantic Memories

A subcategory of declarative memory that records the meanings, understandings, and other concept-based knowledge unrelated to personal experiences.

Episodic Memories

Memories of specific events or experiences, including the context in which they occurred, such as time and place.

Implicit Memory

A type of memory in which previous experiences aid the performance of a task without conscious awareness of these previous experiences.

Procedural Memory

A type of long-term memory that involves the recall of how to perform tasks such as walking, talking, or riding a bike.