Measure of Center
Stem-and-Leaf Plots
Define
Histograms
Misc.
100
Explain how to find the mean of a data set
What is Add the data values and divide by the number of the data values
100
What is the difference between the fastest and longest time?
What is 3.8 seconds
100
Median
What is the middle of ordered data
100
Special property regarding the bars for a histogram
What is the bars must touch
100
Find the mode.
2, 8, 4, 2, 7, 4, 9, 10, 4, 16
What is 4
200
How must data be organized before you can find the median?
What is in order from least to greatest
200
How many plants are less than 40 cm in height?
What is 7
200
What are data values that are either much greater or much less than the other data values?
What are Outliers
200
true or false:
In a histogram the numerical information is always groups in intervals.
What is True
200
Find the range.
4, 10, 17, 22, 30
What is 26
300
Find the Mean.
2, 4, 5, 6, 2, 3, 1, 1
What is 3
300
How many plants were measured?
What is 12 plants measured.
300
Mean
What is the average
300
What type of graph is a histogram?
What is Bar graph
300
You are finding how many ways 50 runners can place 1st, 2nd, and 3rd in a race. What method for counting should you use: permuation or combination?
What is permutation
400
Find the median:
17, 6, 4, 10, 8, 1
What is 7
400
How many numbers were recorded in the stem- and- leaf plot?
What is 16
400
Bar graph that shows continuous data (all parts touch)
What is a Histogram
400
What kind of data is needed to create a histogram?
What is quantitative data
400
The five number summary consists of:
What is min, q1, q2, q3, max
500
If you have multiple outliers in a data set, which measure of center is better to use: the mean or the median?
What is the median
500
Find the mean for the heights of plants.
What is 41.25 cm
500
Standard Deviation
What is Measures the spread of data
500
How many students are represented in this graph?
What is 17
500
A spinner has the numbers 1 through 10 placed on a circle. What is the probability that the spinner lands on a number divisible by 3?
What is 3/10