A survey of 1353 American households found that 18% of the households own a computer. The number 1353.
What is the sample?
100
Before calculating the absolute deviation of each data point you need this.
What is the mean?
100
A sample that is not a good representative of the population.
What is biased sample?
100
The portion of the box and whisker plot that contains 50% of the data.
What is the box portion?
Other acceptable answers:
What is the interquartile range?
What is between the 1st and 3rd quartile?
100
The entire group of individuals of whom we want information from.
What is the population?
200
30,000 people are enrolled in an online history course, 358 random students were asked if they thought it was challenging enough. 75% of them said it was. The numbers 30,000 and 358.
What is the population and sample?
200
The distance between each data value and the mean.
What is absolute deviation?
200
Jack believes people at the school dance think the music selection is lame. He asks 6 of his friends who all agree. His findings are presented to student council. Name Sample and Population.
What is Jack's 6 friends and people at his school dance?
200
These extend to the minimum and maximum data values
What are the whiskers?
200
The difference between the least and greatest values in a data set.
What is the range?
300
Mrs. Smith’s class wants to conduct this survey about hours spent sleeping and watching movies. One student asks people on the school bus on the way to school.
What is convenience sampling?
300
The MAD of these values:
2, 6, 6, 5, 1
What is 2?
300
A sports writer wants to know which is the most popular college basketball team. This group would give the least biased answer.
A. every 4th person entering a college cafeteria,
B. every 4th student at a freshman orientation,
C. every 4th person entering a grocery store.
What is C - every 4th person entering grocery store?
300
Construct a box and whiskers plot for the data set: {5, 2, 16, 9, 13, 7, 10}
What is {FIG A}?
300
In a _________________ sample, members of the population are selected in such a way that each has an equal chance of being selected
What is random?
400
The owner of a lumber company produces 10,000 wood planks for flooring a day. He asks his foreman to sample every 12th board to check for defects.
What is systematic sampling?
400
The MAD of these values: 12, 15, 9, 10, 7, 8, 13, 14
What is 2.5?
400
The Student Council President wants to know if students would like to have more tutoring available during study hall. This method consists of asking students to contact her with their opinions.
What is self-selected or voluntary sampling?
400
For the given data set, the lower extreme, upper extreme, lower quartile and upper quartile.
Fig. B
What is 50, 400, 100 and 300?
400
A four letter word that is your observations (measurements, survey responses, etc.) that have been collected.
What is data?
500
A garage services Volkswagon and Ford vehicles. The owner carries out a customer satisfaction survey and groups his customers into VW owners /Ford Owners then takes a random sample of each.
What is stratified sampling?
500
When a distribution has a large mean absolute deviation, it is because of this…
What is the values are far from the mean?
500
Sampling bias refers to the method of sampling, not the sample itself.
True or False
What is True?
500
In Fig. C, the points labeled B and C on the box plot.
What is the lower quartile and the median?
500
A graphical display of data using a number line and dots that represent the values.