Eunice Is a New Elementary School Principal

question 9

Multiple Choice

Eunice is a new elementary school principal.One of her first projects is to determine whether students have been appropriately assigned to either the Sparrow,Blue Jay,or Robin reading groups.She administers the Miller Reading Ability Test (MRAT) to all three groups.What statistical analysis should Eunice use to compare the means of the three groups?

• A) analysis of variance
• B) correlational analysis
• C) standard deviation
• D) t test

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Definitions:

Table Array

A range of cells within a spreadsheet or database that is organized in rows and columns, often used in lookup functions.

Col Index Num

In spreadsheet applications, an integer that specifies a column's position within a table or range, often used in lookup functions to retrieve values.

Scatter Plot

A type of graph in statistics that uses Cartesian coordinates to display values for typically two variables for a set of data.

X-Y Scatter

A type of plot or mathematical diagram using Cartesian coordinates to display values for typically two variables for a set of data.