6. Descriptive Statistics

6.01 Frequency data displays

6.02 Measures of center

6.03 Box plots and measures of spread

6.04 Data distributions

Investigation: Statistics and the weather

6.05 Comparisons of data sets

Investigation: Finding the line of best fit using technology

6.06 Two-way frequency tables

6.07 Scatter plots and lines of fit

6.08 Correlation and causation

6.09 Linear regressions and residual plots

Investigation: Interpretation of data with awareness of issues

Investigation: Associations in biometric data

6.10 Fitting functions to exponential data

United States of America CA

Math 1

6.06 Two-way frequency tables

Interactive practice questions

Members of a gym were asked what kind of training they do. Each responder only did one kind of training. The table shows the results.

	Cardio	Weight
Male	$12$12	$26$26
Female	$44$44	$18$18

a

How many gym members were asked altogether?

b

How many members do weight training?

c

What percentage of the gym members do weight training?

Easy

1min

The following table has been drawn up to show the results of a survey on smoking.

Easy

3min

This table describes the departures of $flight$ s out of $an$ $airport$ for the months of $May$ and $June$ .

Easy

4min

Two motels promoted packages for one night and two night stays. This table records the results.

Easy

5min

Outcomes

S-ID.5'

Summarize categorical data for two categories in two-way frequency tables. Interpret relative frequencies in the context of the data (including joint, marginal, and conditional relative frequencies). Recognize possible associations and trends in the data. '[Linear focus; discuss general principle.]

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