Remarks
A teacher can give students data sets that contain test/quiz grades for hypothetical classes. Students are asked to calculate and compare the class mean, median, mode, and range and discuss the effects of any outliers on the measures of central tendency.-
Item Type(s):
This benchmark may be assessed using:
MC
item(s)
- Clarification :
Students will determine which measures of central tendency or variability should be used to best describe the given data.Students will identify one missing data point in a data set given the mean, median, and/or mode of the data set and all other data points.
Students will identify which question can be answered from a given measure of central tendency or variability.
- Content Limits :
Items may include data sets that are presented as lists, frequency tables, and charts.
The number of data points may not exceed six when the mean is being calculated.
The number of data points may not exceed ten when the median or mode is being determined.
Graphical displays are limited to line graphs, double bar graphs, bar graphs, pictographs, and line plots.
Items will not assess the vocabulary measures of central tendency or variability.
Items may include, in both stem or answer options, the vocabulary word outlier. - Stimulus Attributes :
Items should be set in a real-world or mathematical context.
Graphics should be used in most of these items, as appropriate.
- Test Item #: Sample Item 1
- Question: Noreen took 5 tests in her science class. Her test scores are shown in the table below.
Noreen’s teacher calculated the mean, median, mode, and range of Noreen’s set of test scores. Which of these measures has the highest value?
- Difficulty: N/A
- Type: MC: Multiple Choice
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Lesson Plans
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