options: Develop understanding of statistical variability.

Summarize, represent, and interpret data on a single count or measurement variable.

Make inferences and justify conclusions from sample surveys, experiments, and observational studies.

Interpret linear models.

Investigate chance processes and develop, use, and evaluate probability models.

Use the rules of probability to compute probabilities of compound events in a uniform probability model.

Draw informal comparative inferences about two populations.

Use random sampling to draw inferences about a population.

Investigate patterns of association in bivariate data.

Calculate expected values and use them to solve problems.

Understand and evaluate random processes underlying statistical experiments.

Summarize, represent, and interpret data on two categorical and quantitative variables.

Summarize and describe distributions.

Use probability to evaluate outcomes of decisions.

Understand independence and conditional probability and use them to interpret data.
problem_activity: Problem 1
Below is a dot plot of data showing the amount of time it takes students in Mr. S’s class to get to school.
Draw a line separating the upper half of the data and the lower half of the data.
Circle the median value.
Draw a line showing half of the upper half of the data and another showing half of the lower half of the data.
Estimate your box plot around the lines drawn in the dot plot.
[IMG]
Problem 2
The plot below shows the results of a survey of households about the number of dogs they have.
Identify the following statements as true or false. Explain your reasoning in each case.
[IMG]
The maximum number of dogs per house is 8.
At least
$${ \frac{1}{2} }$$
of the houses have 2 or more dogs.
All of the houses have dogs.
Half of the houses surveyed have between 2 and 4 dogs.
Most of the houses surveyed have no dogs.


correct_option_index: 1