A theater surveys 180 students about their favorite type of movie and wants to compare the number choosing each type. What display fits best?

A clinic records each patient's blood type and wants to show the share of patients in each blood-type category. What display should the clinic use?

A school cafeteria counts the lunch entree chosen by each of 240 students and wants side-by-side counts for the entrees. Name the display.

A wildlife center labels each rescued bird by species and wants to show what percent of the rescues came from each species. What display fits?

A lab measures the mass in grams of 36 apples and wants to see the distribution's shape using grouped intervals. What display should be made?

A teacher has exact quiz scores for 28 students and wants a display that keeps every score visible while showing the distribution. What display fits?

A coach lists the number of kilometers each runner completed this week and wants a quick display with one mark for each runner on a number line. Name the display.

A factory checks fill volume in milliliters for 50 bottles and wants to summarize the median, quartiles, and range in one display. What display fits?

A meteorologist records the daily high temperature in degrees Celsius for one month and wants to show the distribution across temperature intervals. Choose the display.

A nurse records each child's height in centimeters and resting pulse rate in beats per minute, then wants to see whether taller children tend to have different pulse rates. What display fits?

A farm tracks fertilizer amount in kilograms per hectare and tomato yield in kilograms for 18 plots. The manager wants to judge association. Name the display.

A phone app records each user's screen time in minutes and battery use in percent for one day, and the analyst wants to see how the two variables move together. What display is best?

A chemistry class compares water temperature in degrees Celsius with dissolving time in seconds for sugar cubes. What graph should show the relationship?

A survey records each adult's age group and whether the adult uses public transit weekly. The city wants to compare transit use across age groups. What display fits?

A store classifies each purchase by payment type and by whether it was online or in person. The analyst wants counts for every combination. Name the display.

A hospital records each patient's department and whether the patient waited more than 30 minutes. The director wants to compare delay rates by department. What display fits?

A teacher records each student's grade level and preferred review method, then wants a table of counts for all grade-method pairs. What display should be used?

Apartment rents in one neighborhood are strongly skewed right because a few luxury units cost much more than the rest. What center best describes a typical rent?

A lab repeats a reaction five times, and the times in seconds are roughly symmetric with no outliers. What measure of center uses all five times?

A shoe store wants the single most common shoe size sold last month so it can stock extra pairs. What measure of center answers that question?

A news report summarizes household incomes for a city where several billionaire households make the distribution extremely skewed. What center should the report use for a typical household?

Two brands of batteries have roughly symmetric lifetimes in hours, and an engineer wants a spread measure based on each battery's distance from the mean. What measure fits?

A charity studies donation amounts that are highly skewed because a few gifts are very large. What spread measure is resistant to those extremes?

A track coach only needs the difference between the fastest and slowest 400-meter times from practice. What spread measure matches that request?

A quality-control report must give spread in squared units because it averages squared deviations from the mean. What measure is being requested?

A teacher counts how many different 3-student committees can be chosen from 12 students, with no roles on the committee. What probability tool fits?

A relay coach assigns 4 runners from a group of 9 to first, second, third, and fourth positions. What counting tool is appropriate?

A game has two independent spins, with 5 equal sectors on the first spinner and 4 equal sectors on the second. What tool counts the possible ordered results?

A student knows the probability of rain, the probability of wind, and the probability of both rain and wind, and wants the probability of rain or wind. What tool fits?

A sample of 35 water bottles from one brand gives a mean fill amount and sample standard deviation. The company wants a range of plausible values for the true mean fill. What procedure fits?

A poll of 600 voters finds the proportion who support a school bond, and the district wants a confidence interval for the true support proportion. Choose the procedure.

A researcher tests whether the mean caffeine content of one brand's drinks differs from 80 milligrams, using a random sample and sample standard deviation. What test fits?

A city asks whether the proportion of residents who recycle is greater than 0.60, using one random sample of households. What test should be used?

Two independent random samples compare the proportion of middle school and high school students who bike to school. The analyst wants a confidence interval for the difference. What procedure fits?

A botanist measures each plant's height before and after adding fertilizer, then analyzes the change for each plant. What sample structure is this?

A school compares mean math scores for one random sample of students taught online and a separate random sample taught in person. What structure fits?

A nutritionist samples one group of adults and compares their mean daily fiber intake with the recommended 25 grams. What sample structure is used?

A genetics model predicts pea plants in four color categories, and one random sample of plants is counted in those categories. The scientist asks whether the counts fit the model. What test fits?

A poll takes one random sample of adults and records political party and whether each adult supports a tax proposal. The question is whether the two variables are related. What test fits?

Separate random samples of ninth, tenth, and eleventh graders are asked which homework app they use, and the school compares the app distributions across grades. What test fits?