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12 Questions

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Math 7 Statistics Review

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Questions and Answers

What is a histogram used to represent?

Qualitative information

Quantitative information

Categorical data

Continuous range of numerical values (correct)

How is the mode of a data set defined?

The middle value

The average value

The least frequent value

The number that occurs most often (correct)

What does the mean absolute deviation measure in a data set?

Difference between the maximum and minimum values

Distance between the mean and median

Sum of all data points

Variation from the mean, median, and mode (correct)

How is population mean calculated?

Sum of all values divided by total values Signup and view all the answers

What does the formula E(X) = μ∑xP(x) represent?

Calculation of population mean for discrete variable Signup and view all the answers

In a bar graph, what do the bars or strips represent?

Quantities or numbers being presented Signup and view all the answers

What is a variable in statistics?

An alphabetic character that expresses a numerical value Signup and view all the answers

What does dispersion refer to in statistics?

The extent of numerical data that is likely to vary about an average value Signup and view all the answers

What is a pie chart used for in data presentation?

Showing the percentage breakdown of a whole Signup and view all the answers

In statistics, what is the domain of data?

A set of values that we are allowed to plug into our data Signup and view all the answers

What is the purpose of a bar graph in statistics?

A presentation tool used for comparing two or more quantities at a specific point in time Signup and view all the answers

What does the term 'solve/prove' refer to in statistics?

Right term used in measuring the central tendency of grouped data and ungrouped data Signup and view all the answers