Exam 18: Understanding and Representing Concepts of Data

Teacher Licensing Examination Questions Praxis: The hand spans of ninth-grade students at Martin Luther King, Jr. High are approximately normally distributed, with a mean of 7 inches and a standard deviation of 1 inch. Of the following groups of measurements of hand span, which is expected to contain the largest number of ninth-graders?

According to the NCTM, the main purpose of collecting data is to:

In a given survey, 2 children preferred vanilla ice cream, 5 preferred chocolate ice cream, 7 preferred chocolate chip ice cream, and 10 preferred cookie dough ice cream. Asked to make a bar graph of the data, Sara chose to label the vertical axis with these numbers (2, 5, 7, 10), marking each number along the axis, one after the other. Which of the following is a true statement about this graph?

The following are true statements about box-and-whisker plots except for :

All of the following data values are represented on a box-and-whisker plot except for:

Young children would work with graphs in which order?

Stem-and-leaf plots are especially useful for displaying:

The following are questions that should be asked when working with meaningful collection and display of data except for :

Explain the difference between categorical and numerical data.

A teacher measured the heights of children in her classroom and determined that the mean was 56 inches and the median was 54 inches. Which of the following statements is true?

Explain the differences between object graphs and picture graphs.

In order to determine the average price of a room at a New York City hotel, you would determine the

Which of the following is categorical data?

Using tables is one of the first data collection devices that children use to display data. Why are tables particularly suited to young children's understanding of data collection?

34.  What are the major concepts about data collection that a teacher should strive for?

The difference between a bar graph and a line plot is:

A line graph is better for:

The mean and the median can be determined for:

Which of these measures of central tendency will be affected by an outlier?

Is it possible to create stem-and-leaf plots and box-and-whisker plots with the same data set? If so, give an example that could be used for both. Then explain the differences, if any, in the two different graphs.