Final Flashcards
(27 cards)
Certain school district, student from grade 6 through 12 can participate in a school sponsored community service activity. Bar chart
Grade 12 had the least relative frequency of participating students
Frequency table of responses from a group of college students who were asked to choose their favorite ice cream flavor
One-half of the students chose vanilla or chocolate
What is true about a distribution that appears to have a gap when displayed on a histogram
The distribution has a region between two data values where no data were observed
What question about cars in a school parking lot allow for the collection of a set of categorical data
What are the colors of the cars in the lot
Dotplot of scores of 25 people who played a trivia game online
The distribution is skewed right
Lists shoes the number of video games sold at a game store each day for a week
Quantitative and discrete
Natasha’s financial literacy project
The standardized score of the minimum annual sales
Histogram shows the ages, in years, of people who attended a documentary at a movie theater
The mean is most likely less than the median because the distribution is skewed to the left
Weight of adult male grizzly bears
324 pounds
Histograms about the duration of subterranean disturbances such as earthquakes and mining disturbances
The median of the earthquake disturbances is less than the median of the mining disturbances
Best description of a positive association between two variables
As the value of one of the variables increases, the value of the other variable tends to increase
Bar chart displaying the relative frequency of responses of students by grade level when asked about volunteer
The number of tenth-grade students who responded yes was greater than the number of ninth grade students who responded yes
Table showing survey of local company interested in supporting environmentally friendly initiatives such as carpooling
If the person owns a car, he or she is more likely to live elsewhere in the city than to live in the downtown area in the city
Random sample of 20 pro athletes, relationship between number of hours they exercise and their resting heart rate
-0.87
Consider n pairs of number. The mean and standard deviation of the x-values
D. Y=8.5+0.3x
Facility needs, the administrators of a university wanted to estimate the percent of students who use the exercise facilities on a regular basis. From the 34,000 students
The population in the 34,000 students who attend the university, and the sample is the 770 students who were selected
What condition is it preferable to use stratified random sampling rather than simple random sampling
The population can be divided into strata so that the individuals in each stratum are as much alike as possible
Polling firm interesting in surveying a representative sample of registered voter in the us
Registered voters with unlisted telephone number may be underrepresented in the sample
Pharmaceutical company manufactures medicine to reduce pain caused by migraine headaches
An experiment using a completely randomized design
Researcher studying the effect of genetically modified and nongenetically modified corn on the weight gain of lambs
A matched pairs design. For each set of twins, randomly assign one twin to the GM diet and the other twin to the nGM diet
The student government at a high school wants to conduct a survey of student opinion.
Number the students in the official school roster. Use a table of random numbers to choose 60 students from this roster for the survey
Best way to minimize response bias
Carefully word and field-test survey questions
Check the effect of cold temperature on the elasticity of two brands of rubber bands, brand A and brand B
No, because temperature is confounded with brand
Sporting event, cheerleaders
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