Data can be represented using tally charts, pictographs, and ___ graphs.

Bar

True or False: A bar graph can be used to represent categorical data.

True

When drawing a bar graph, the vertical axis represents the ___ of observations.

Frequency

Fill in the blank: The collection of information in the form of numerical figures is called ___.

Data

If 5 students like basketball, 6 like soccer, and 4 like tennis, how many students like sports in total?

15

Rohit surveyed 26 students. If 10 liked cricket, how many did not prefer cricket?

16

If a bar graph shows 8 students for football and 4 for baseball, what is the ratio of football to baseball preferences?

2:1

What is the appropriate scale to use if 1 cm represents 2 students on a double bar graph?

The scale indicates that for every 1 cm height on the graph, it corresponds to 2 students.

In a double bar graph, if one bar represents 10 boys and another represents 8 girls, what is the total number of students represented?

The total number of students represented is 10 + 8 = 18 students.

True or False: A double bar graph can be used to compare data from two different categories.

True.

If the vertical axis represents the number of students and shows a height of 6 cm, how many students does this represent using the scale of 1 cm = 2 students?

6 cm represents 6 * 2 = 12 students.

Fill in the blank: A double bar graph typically consists of two bars for each category, representing different ___ or groups.

Data sets

A pie chart is divided into sectors that represent a part or a ___ of the whole.

Percent