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Terms in this set (13)
Mean
The average of the data points
add, then divide!
Median
The middle number
List in order
Mode
The number seen the most.
Statistical Question
A question that allows for variability
Non-Statistical Question
a question that does not have variability, only one or two answers
Frequency
How often a piece of data occurs.
Histogram
Each bar represents a range of values; bars TOUCH
Range
Greatest data point minus the least data point.
Box Plot
A graph that displays the highest and lowest quarters of data as whiskers, the middle two quarters of the data as a box, and the median
Dot Plot
outlier
peak
innerquartile range (IQR)
Q3 - Q1, describes variability
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Verified questions
statistics
A computer program is tested by 3 independent tests. When there is an error, these tests will discover it with probabilities 0.2, 0.3, and 0.5, respectively. Suppose that, the program contains an error. What is the probability that it will be found by at least one test?
algebra
Which of the following represents the solution of the system 3x+4y≥5, 2x-3y≤4? (A) Region I plus its boundary, (B) Region I without its boundary, (C) Region II plus its boundary, (D) Region II without its boundary, (E) Region IV plus its boundary.
calculus
Find the exact values of $\sin 2 u, \cos 2 u$, and $\tan 2u$ using the double-angle formalas. $$ \sec u=-2, \quad \frac{\pi}{2} < u < \pi $$
algebra
Write each fraction as a percent. 5/4
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