Question

1.In a histogram, the widths of the rectangles represent the________
a.class frequencies b.class marks c.class boundaries d.class intervals
2. A ________ distribution is used to group non-numerical information.
3.frequency distribution are two types____________ and _______________.
4. which of the following could be used to display a categorical (qualitative) distribution graphically ? be sure to select all that apply a.Histogtam b.pie charts c.bar charts d.Stem and leaf display.
5. in a cumulative 'more than' distribution. the CV classes are labeled using a. class marks b.upper class marks c.class boundaries d.lower class marks
6.in a cumulative 'less than' distribution, the classes are labeled using _______ a.class marks b.upper class marks c.class boundaries d.lower class marks .

please answer no explanation.

Answer 1

1. In a histogram, the widths of the rectangles represent the class intervals

2. A frequency distribution is used to group non-numerical information.

3. frequency distribution are two types - Grouped and un-grouped.

4. pie charts and bar charts

Since pie charts and bar charts are used to represent categorical data. In Pie chart, each slices represent the categories and in bar chart, each bar represents frequencies of each category.

5. d.lower class marks

6. b.upper class marks