OpenUp 6th Math 8.18 Practice Problems and Vocab

Twenty students timed how long each of them took to solve a puzzle. Here is a dot plot of their solution times. Predict which measure of center —the mean or the median—will be larger. Explain your reasoning.

Evaluate responses using AI:

OFF

Twenty students timed how long each of them took to solve a puzzle. Here is a dot plot of their solution times. Calculate the mean.

Twenty students timed how long each of them took to solve a puzzle. Here is a dot plot of their solution times. Calculate the median.

Twenty students timed how long each of them took to solve a puzzle. Here is a dot plot of their solution times. Which pair of measures of center and variability—mean and MAD, or median and IQR—would you choose to describe the distribution of the solution times? Explain your reasoning.

Evaluate responses using AI:

OFF

A local library showed a movie during a children’s festival. Jada recorded the ages of 100 children who watched the movie. Here is a histogram for her data. Can the histogram be used to estimate the mean age of the movie watchers? Explain your reasoning.

Evaluate responses using AI:

OFF

A local library showed a movie during a children’s festival. Jada recorded the ages of 100 children who watched the movie. Here is a histogram for her data. Can the histogram be used to estimate the median age of the movie watchers? Explain your reasoning.

Evaluate responses using AI:

OFF

A local library showed a movie during a children’s festival. Jada recorded the ages of 100 children who watched the movie. Here is a histogram for her data. Can the histogram be used to find the exact median age of the movie watchers? Explain your reasoning.

Evaluate responses using AI:

OFF

A local library showed a movie during a children’s festival. Jada recorded the ages of 100 children who watched the movie. Here is a histogram for her data. Is it possible to tell from the histogram if there was at least one 3-year-old who watched the movie? Explain your reasoning.

Evaluate responses using AI:

OFF