20. The Bar graph is used in presenting the change or trend of a certain variable*TRUEFalse

Which type of graph has a y-axis and an x-axis and is used to compare amounts or number of items?Bar graphT-graphPicture graphCircle graph

n a bar graph, what do the vertical bars typically represent?CategoriesTime periodsNumerical valuesRatios

According to this bar graph, what is the mode?

When do you use bar graphs? When do you use a histogram? When do you use a line graph? What are the different parts of a line graph? How do you write the title of the graph? How should you write the labels of the axes? How should you do the scale on the axes? What is a trendline (line-of-best fit)?

Question 6Identify the scenario in which a researcher should choose to use a bar graph.1 pointAn instructor would like to show the frequency of students’ preference for a take-home or in-class final exam.A health researcher would like to show the relationship between minutes of exercise and anxiety score.A psychology researcher would like to show the percentage of participants who slept for a given number of hours per night, measured in whole hours.The university dean would like to show the percentage of students earning various GPA intervals for the graduating class at a local university.