Holt Middle School Math Course 2 2004 - Chapter 1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| population | a whole group you gather information about
🗑
|
||||
| sample | a smaller part of the entire group you want to gather information about
🗑
|
||||
| random sample | a representative sample where every member of the population has an equal chance of being chosen
🗑
|
||||
| mean | the sum of the data values divided by the number of date items (often called the AVERAGE)
🗑
|
||||
| median | the MIDDLE (or average of the two middle) value of data items arranged in order
🗑
|
||||
| mode | the data value or values that occur the MOST
🗑
|
||||
| range | the difference between the highest and least values in a set of data
🗑
|
||||
| outlier | an EXTREME value that is much more or much less than the other values in a data set
🗑
|
||||
| frequency table | a way to organize data into categories and groups
🗑
|
||||
| cumulative frequency | a "running total" of frequencies in a category
🗑
|
||||
| bar graph | a type of graph using bars to represent data values divided into equal intervals
🗑
|
||||
| histogram | a bar graph that shows the frequency of data within equal intervals. There is no space between the bars.
🗑
|
||||
| double bar graph | a bar graph used to compare two related sets of data
🗑
|
||||
| circle graph | a type of graph showing how a set of data is divided into parts totaling 100% (also called a pie chart)
🗑
|
||||
| sector | a "slice" of a circle graph representing one part of the data set
🗑
|
||||
| box-and-whisker plot | a representation of the distribution of a data set divided into four equal parts, called quartiles
🗑
|
||||
| first quartile | the median of the lower half of a set of data
🗑
|
||||
| second quartile | the median of the data set
🗑
|
||||
| third quartile | the median of the upper half of a set of data
🗑
|
||||
| lower extreme | the minimum value in a data set
🗑
|
||||
| upper extreme | the maximum value in a data set
🗑
|
||||
| line graph | a graph with line segments connecting data points, used to show change over time
🗑
|
||||
| double line graph | a graph that shows change over time for 2 sets of data
🗑
|
||||
| scatter plot | a graph with 2 axes and points representing pairs of data values
🗑
|
||||
| positive correlation | the values in both data sets increase at the same time
🗑
|
||||
| negative correlation | the values in one data set increase as the values in the other set decrease
🗑
|
||||
| no correlation | the values in two data sets show no pattern
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
alissa2222
Popular Math sets