KEY WORDS
MEASURES OF CENTRAL TENDENCY
MEASURSE OF
VARIATION
MEASURES OF
POSITION
GRAPHS
100
The science of conducting studies to collect, organize, summarize, analyze, and draw conclusions from data.
What is STATISTICS
100
The measure of central tendency that represents Q2 in the boxplot.
What is MEDIAN
100
The square root of variance.
What is STANDARD DEVIATION
100
The formula for standard score.
What is (value-mean)/standard deviation
100
The type of graph that represents data using vertical bars of various heights that indicate frequencies.
What is Histogram
200
A group of subjects selected from a population to be studied.
What is SAMPLE
200
The mean from the set of data 2, 8, 10, 16, 18, 20
What is 12.3
200
The variance if the standard deviation is .60.
What is .36
200
The standard score fora batter who normally averages .3, with a standard deviation of .05, if he scores .420 for one game.
What is 2.4
200
The rule that indicates that a normal distribution curve has approximately 68% of the data falling between one standard deviation of the mean.
What is EMPIRICAL RULE
300
The level of measurement where there exists a true zero.
What is RATIO
300
The mode from the set of data 8, 18, 12, 26, 18, 19, 5
What is 18
300
The standard deviation if the variance is 1.50.
What is 1.22
300
A Fine Arts academy student standard score when he scores 80 on his math test. His class had an average of 70 and a standard deviation 5.
What is 2
300
In a study on eating habits, 1000 students were surveyed and 22% of the students shown on a pie graph did not each breakfast. Find the number of students that did not eat breakfast.
What is 220
400
The type of study where a researcher manipulates one of the variables and tries to determine how the manipulation influences other variables.
What is EXPERIMENTAL
400
The median from the set of data: 6, 2, 5, 8, 19, 5, 20
What is 6
400
The standard deviation of the scores 80, 60, 55, 60, 70
What is 8.94
400
A Business academy student standard score when he scores 60 on his math test. His class had an average of 70 and a standard deviation 5.
What is -2
400
In a study on social networks, 500 teenagers were surveyed and 6% of the students shown on a pie graph did not use social networks. Find the number of teenagers who did not use social networks.
What is 30
500
The level of measurements where items are classified by traits (such as eye color)
What is NOMINAL
500
Find Q1, Q2, and Q3 from the set of data 4, 8, 12, 20
What is Q1=6, Q2=10, Q3=16
500
The standard deviation of the sample scores 80, 60, 55, 60, 70
What is 10
500
A Fine Arts academy student standard score is 1.5 on a math test, and the Business academy student standard score is -1.5. Make conclusions on which if any student did better.
What is Fine Arts
500
In a study on hobbies, 200 students were surveyed and 130 of the students shown on a pie graph played sports. Find the percent of students that played sports.
What is 65%