Number Groups
What number group only consists of numbers that can't be written in fraction form?
Irrational Numbers
Simplify √196
14
This sample is when members volunteer to be included in the sample.
Self-Selected Sample
What is the mean of this data set?
{497, 214, 789, 987, 123, 589, 392}
513
What does m represent in the equation "y=mx+b"?
The slope
What number group only consists of 0 and negative and positive whole numbers?
Integers
Simplify √97
√97
This sample is when each member of the population has an equal chance of being selected as part of the sample.
Simple Random Sample
What is the range of this data set?
{5430897, 5430890, 5430895, 5430898, 54308973, 5430867}
31
What does i represent?
The square root of -1.
What number group only consists of numbers that can be written in fraction form?
Rational Numbers
Simplify √268
2√67
This sample is when members are selected according to a specified interval from a random starting point.
Systematic Sample
What is the median of this data set?
{65, 89, 43, 74, 12, 75, 930, 56, 56}
65
What is the name of a quadratic function's shape when graphed?
Parabola
What number group consists of i?
Complex numbers
Simplify (12±√27)/6
(4±√3)/2
This sample is when members that are readily available or easy to reach are selected.
Convenience Sample
What is the mode of this data set?
{89524875, 89564875, 89504875, 89564875, 89504875, 89514875, 8954875, 89594875, 89564875}
89564875
What does the box in a box-and-whisker plot represent?
The interquartile range
What is the smallest number group that 1 is included in?
Natural Numbers
Simplify √432k^89x^5z^3
12k^44x^2|z|√3kxz
This sample is when the population is first divided into similar, non-overlapping groups. Members are then randomly selected from each group.
Stratified Sample
What is the standard deviation of this data set? (Rounded to the nearest tenth)
{20, 38, 45, 76, 43, 21, 43, 62}
17.6
1, 2, 4, 8, 16, 32,...
Is an example of what type of sequence?
Geometric