Dr Kid Is Studying the Effects of Sleep on a Child's

question 66

Essay

Dr. Kid is studying the effects of sleep on a child's reading speed. She initially takes a measure of each child's reading speed. Next, she varies the amount of sleep different children get. Finally, she re-measures their reading speed. What is the independent variable in her study?
•initial reading speed
•post reading speed
•amount of sleep
•the difference between the initial and post reading
speeds

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Definitions:

Sunburst Chart

A type of visualization that displays hierarchical data as layered rings, each layer representing a level in the hierarchy.

Scatter Chart

A type of graph used in statistics that displays values for typically two variables for a set of data.

Trendline

A graphed line in statistical data visualizations predicting future trends based on past or current data patterns.

Number Format

A system or standard for expressing numbers, often within software or mathematical contexts, to specify their appearance or structure, such as decimal or hexadecimal.