Statistical+Graphs

Here are some information on different types of statistical graphs

Pictogram It is picture graph, it is used to find a number according to the keys

Pros, Easier to visiualize and understand

Con, Can only sort simple data, (e.g. rounding the data to 1 d.p.)

Bar chart represents a group of data and can be use to compare data to see their different. Pros, easy to draw. easy to compare data. Cons the structure of the bar chart might not be able to show some special units, (e.g. time, %, etc)

Pie chart usually used to represent the weight of the data. Pros, easy to read and compare with each other

Cons required to calculate the the weight of the data.

Broken-line graph mainly used for represent the sales within the stock market. Pros, Simple, could be accurate

Cons, might takes a while to draw.

Stem-and-leaf diagram use for sorting and grouping data. Pros easily organized data can be very accurate neat easy to create. Cons Can only show numbers Cannot show the weighting of the data and the changes.

Scatter diagram Uses points to record the data. Pros Able to show the relationship between the x and y-axis.

Histogram Similar to a bar chart Used to present the continuous data. Pros Can reflect the distribution of the data. Cons Individual data might not be shown.