First organize the data, find the stems, find the leaves, label the plot
100
Find the range from this set of data
81,92,4,35,67,76
88
100
What type of bar graph do we use to compare data
Double bar graph
100
Make a line plot with this set of data (you don't have to label it) and find the mode and range.
12,31,22,12,23,27,26,28,23,25,37,31,9,12
Mode: 12
Range: 28
200
Define simple random sample
A sample containing people, objects, or events that have an equal chance of being chosen from the entire population.
200
What is a scatter plot
A graph that compares two different sets of data.
200
Find the median from the set of data.
12,21,14,17,24,32
19
200
Create a circle graph whit the set of data.
25%,15%, 40%, 20%
Look at piece of paper
200
Find the median of the set of data
12,14,9,12,10,15
12
300
What is a stratified random sample
A random sample containing members from similar, non-overlapping groups that contain the entire population
300
What is a back to back stem and leaf plot used for?
Comparing two sets of data side by side
300
Find the mode from the set of data
13,17,21,28,28,91,36,15,13,17
13,17, and 28
300
What is a histogram and what do the bars represent
A histogram is a type of bar graph, and the bars represent intervals.
300
How do you make a line plot?
First make a number line that covers all the data, then plot an x above the area where we would plot our numbers, last label the line plot.
400
Define systematic random sample
A random sample containing members chosen from the population based on a specific time or specific interval
400
If the points in a scatter plot move upwards what type of correlation is there?
Positive correlation
400
Find the standard deviation from this set of data.
72,64,76,65,81
6.5
400
What are numbers changed to in a circle graph
Percentages
400
Find the upper quartile from this set of data?
9,12,17,14,19,13,8,12,15
16
500
What is the line of best fit used for
The line of best fit is used to note specific trends and allows us to make predictions based on the scatter plot.
500
If the numbers are all spread out on a scatter plot, what type of correlation is there
No correlation
500
How do you find the standard deviation of a set of data?
Find the mean, then subtract the mean from each number, then square each of your answers, then find the mean again, then take the square root of your answer
500
What is a sector in a circle graph
Sections of a circle formed by a central angle and an arc
500
What are the parts of a box and whisker plot
Low extreme, high extreme, upper quartile, lower quartile, and median