Prob. & Stats 2.1-2.3

Measures of central tendency measure the spread of a set of data about its center.

• True

• False

Circle graphs and bar graphs are graphs that are used to summarize qualitative, or

categorical data.

• False

• True

For every set of data, the value of the median will always be the best measure of central tendency of the data.

• False

• True

All graphic representations of sets of data need to be completely self-explanatory. That includes a descriptive meaningful title, and identification of the vertical and horizontal scales.

• True

• False

Measures of central tendency are numerical values that locate, in some sense, the center of a set of data.

• True

• False

At a large company, the majority of the employees earn from $20,000 to $30,000 per year. Middle management employees earn between $30,000 and $50,000 per year while top management earn between $50,000 and $100,000 per year.

A histogram of all salaries would have which of the

following shapes?

• Symmetrical

• Uniform

• Skewed to the right

• Skewed to the left

The following set of data represents letter grades on term papers in a rhetoric class:

A, A, A, B, B, B, B, C, C, C, C, C, C, C, C, C, C, C, D, D, D, F.

Select the most appropriate measure of central tendency for the data described.

• Mean

• Median

• Mode

• IQR

The following set of data represents the ages of students in a small seminar: 20, 21, 22, 25, 26, 27, and 68. Select the most appropriate measure of central tendency for the data described.

• Mean

• Median

• Mode

• IQR

The following set of data represents the temperature high for seven consecutive days in February in Chicago: 22, 14, 26, 27, 35, 38, and 41. Select the most appropriate measure of central tendency for the data described.

• Mean

• Median

• Mode

• Quartile 3

A collection of observation produced by sorting them into classes and showing their frequency of occurrence in each class.

• Statistics table

• Frequency distribution table

• Distribution column

• Frequency Graph

Tags

CCSS.6.SP.A.2

CCSS.6.SP.B.4

CCSS.6.SP.B.5