Show:
Graphs
Frequency table
Reviewing population
(to answer use radio 1 out of 10)Ex-5,000=50
Stem-and-Leaf Plots
Review Problems
100
uses bars to compare data
What is a bar graph?
100
organizes data into groups
What is a frequency table?
100
11
110 teaches
100
shows how often data values occur and how they are distributed. #'s are separated into 2 parts
What is a stem-&-leaf plot?
100
used to represent data in a frequency table.
What is a histogram?
200
shows data changing over time
What is a Line Graph?
200
tally marks
What is a substituent for frequency?
200
65
650 boys
200
list the stems in the left column of the plot(step)
What is the first step of making a stem-and-leaf plot?
200
compares 2 sets of data
What is a double bar graph?
300
shows 2 sets of data changing over time/ compares 2 sets of data They compare because in the line graph, u can use 2 lines, and in the bar graph u can use 2 bars, so they both use 2.
What is a double-line & double-bar graph? Also, how do they compare to each other?
300
histogram
You can use a frequency table to make a __________?
300
35
3,500 cats
300
3/4 and 23/4
What does 34 mean? Also what does 234 mean?
300
both are samples
How is a random and biased sample compare
400
compares different percents
What is a circle graph?
400
False (histogram)
Histograms have spaces in between the bars. True or False?
400
72
720
400
the left digits of each #
What is stem?
400
uses lines
What is a line graph?
500
?-tool used to collect data ?-group of people that fits a particular description ?- a group of people chosen from a given population to represent the entire group ?-sample in which every individual has an equal chance of being selected ?- sample that is not representative of the population
What is a survey, population, sample, random sample, and biased sample?
500
a table that includes a running total of the frequencies of all the previous groups
What is a cumulative frequency table?
500
678
67800
500
the right digits of each #
What is leaf?
500
compares %s
What is a circle graph