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by BlastRoom
Mixed practice across the opening unit: population and sample, parameter and statistic, variable type and level of measurement.
#probability_and_statistics
20 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.
The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
A state agency wants the mean annual income in dollars of all 2.4 million households in the state and surveys 1,800 households. What is the population in this study?
To estimate the average 1-kilometer run time in minutes for all varsity runners at a school, a coach times 12 runners chosen at random. What is the sample?
A cafeteria director studies lunch purchase status, recorded as yes or no, for students in one high school by surveying 90 students. What group is the sample?
An emergency department wants the median wait time in minutes for all patient visits in July and reviews the first 200 visits that month. What is the population?
A bus company reports that 7.6 minutes is the mean delay for 40 randomly sampled city bus trips last week. Is 7.6 minutes a parameter or a statistic?
Using records for every one of 950 seniors, a principal finds the mean final exam score is 82 points. Is 82 points a parameter or a statistic?
A store surveys 300 customers about bag choice, recorded by bag type, and reports that 18 percent chose reusable bags. Is 18 percent a parameter or a statistic?
A bottling plant checks the fill volume in milliliters for every bottle made on one shift and finds the mean is 502 milliliters. Is 502 milliliters a parameter or a statistic?
A clinic records each patient's blood type, height in centimeters, and number of visits this year. Which variable is categorical?
A farm records each plot's crop variety, harvest mass in kilograms, and irrigation amount in liters. Which variable is categorical?
A school records each student's homeroom teacher name, lunch choice, and backpack mass in kilograms. Which variable is quantitative?
A swim meet records each swimmer's lane number label, finish time in seconds, and team name. Is lane number label categorical or quantitative?
A museum records the number of visitors in people entering each hour. Is this variable discrete or continuous?
A lab records the mass of each soil sample in grams, rounded to the nearest tenth of a gram. Is mass discrete or continuous?
A city records the length of each sidewalk crack in centimeters, measured with a ruler. Is crack length discrete or continuous?
A school survey records each student's grade level as 9, 10, 11, or 12. What level of measurement is grade level?
A science lab records the mass in grams of each rock sample. What level of measurement is mass?
A hospital records each patient's assigned ward name, such as emergency, pediatrics, or surgery. What level of measurement is ward name?
A class compares three questions about students at North High: sleep hours last night, total enrollment, and daily start time. Which question is statistical?
A gym studies bottled water sold there: bottle-to-bottle volume variation, one label volume, and smallest menu size, all in milliliters. Which question is statistical?
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.
Pick a tile, answer, hit bonuses and steals.
Summarizing Data Unit Review
40 questions
