Question

A _______ is an excellent choice for representing categorical or nominal data, like gender, race, marital status, and zip code, where the bars do not touch because the data is not continuous.

pie chart

bar chart

line graph

scatter diagram

A coding supervisor has been trying to manage the workload of an increase in the number of charts that need to be coded from a recent corresponding increase in admissions. While her coders have been getting the charts coded, she has also seen the percentage of miscoded charts increase. She suspects that it might be from the charts coded with overtime hours. What is the dependent variable?

Overtime hours

Number of charts

Increase in admissions

Number of errors

If you were tasked with displaying the results of a Likert scale, (survey method of answering as in "strongly agree, agree, no opinion, disagree, strongly disagree") which presentation type would you likely use?

Line graph

Bar graph

Scatter diagram

Pictogram

If you were tasked with displaying census data over a 50-year interval, which data presentation method would you choose to display it?

Pictogram

Pie chart

Line graph

Scatter diagram

A coding supervisor has been trying to manage the workload of an increase in the number of charts that need to be coded from a recent corresponding increase in admissions. While her coders have been getting the charts coded, she has also seen the percentage of miscoded charts increase. She suspects that it might be from the charts coded with overtime hours. What is the independent variable?

Increase in admissions

Overtime hours

Number of charts

Number of errors

Answer 1

bar chart

Number of errors (dependent on Overtime hours)

bar chart

Line graph

Overtime hours

• Pie chart: It represents categorical data in a circular graph. Good for displaying data for around 6 categories or fewer.
• Bar chart: Represents categorical data with rectangular bars with heights proportional to the values. These bars do not touch each other and each bar represents one particular category.
• Line graph: Generally used to represent time series data. Data points plotted over time and connected to get line graph.
• Scatter diagram: Used to represent the values of 2 variables for a set of data