Statistics vs Non-statistical
What is a statistical question?
Something that has more than one answer; variation
What is the range of the data set: 27, 26, 25, 20
7
The MAD stands for...?
mean absolute deviation
Histograms show this on the x-axis
Numerical intervals
What is the median?
The middle of the data set (the middle-most value)
What is a non-statistical question?
Something that has one answer; no variation
What is the range of the following data set: 11, 13, 13, 11, 13
2
Calculate the MAD for the following data set: 8, 14, 22, 16
MAD = 4
For dot plots, dots are placed above this
Number Line
What is an outlier?
Is the following a statistical question or not: What is your favorite color?
Not statistical
What is the mean of the data set: 27, 26, 25, 20
24.5
True or False: Absolute Value can be either positive or negative.
False
Dot plots are best to use when you want to see this
all of the numbers in the data set
What is the minimum?
The smallest number in the data set
Is the following a statistical question or not: Students rated their school subjects in order from most favorite to least favorite.
Statistical
What is the mode of the following data set: 0, 5, 4, 8, 2
no mode
What are the steps for finding Mean Absolute Deviation?
1. Find the mean of the data set
2. Find the distance between each data point and the mean
3. Find the mean of the distances
Histograms have frequency on this axis
Y
What is range?
The difference between the largest and smallest values
Is the following a statistical question or not: How tall are students in the 6th grade?
statistical
What is the median of the following data set: 11, 13, 13, 11, 13
13
Find the MAD of the following data set: 10, 20, 35, 45, 45, 50 (Round to the nearest tenth)
Mean is 34.2
12.8
A frequency table is helpful for this type of graph
Histogram
What is Mean Absolute Deviation?
The average distance between data points and the mean