section 1.3 Flashcards
what is a bar graph ?
is a graph that consists of bars for each category with the length / height of the bars specifying the frequency for each category
what do the different axises represent ?
one axis will indicate the categories and the other axis will indicate the frequency .
when are bar graphs used ?
are often used for comparing different characteristics of items . Bar graphs can have horizontal or vertical bars
what is a circle path ?
is a circle cut into sections with varying sizes shaped like slices of a pizza
how to convert a percent into a decimal ?
- drop the percent sign
- move decimal point two places to the left
how find the percent of a total ?
to find the percent of the total , multiply the total by the percent in decimal form
what is a line graph ?
show trends over a period of time .
where is time located on a line graph ?
time is located on the horizontal axis and amounts will be located on the vertical axis
how is information on a line graph grouped ?
information will be organized into ordered pairs.