1st Year Statistics Chapter 2 TestRepresentation of Data

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1. Graphs of frequency distrubutions are used because:

   1. They have a long history in practical applications

   2. They attract attention to data pattern

   3. They account for biased or incomplete data

   4. None of these

2. Histogram is a graph of:

   1. Frequency distribution

   2. Time series

   3. Qualitative data

   4. Ogive

3. Classification of data by attributes is called:

   1. Temporal classification

   2. Geographical classification

   3. Quantitative classification

   4. Qualitative classification

4. The section of table that contains the column caption is called:

   1. Box head

   2. Box plot

   3. Stub

   4. Body

5. The process of arranging data into rows and c olumns is called:

   1. Frequency distribution

   2. Classification

   3. Tabulation

   4. Array

6. In constructing a frequency distribution for a sample, the number of classes depends on:

   1. The number of data points

   2. The range of the data collected

   3. The size of the population

   4. Both (a) and (b) but not (c)

7. Important bases of classification are:

   1. Two

   2. Three

   3. Four

   4. More than four

8. Classification of data by their time of occurrence is called:

   1. Temporal or chronological classification

   2. Geographical classification

   3. Quantitative classification

   4. Qualitative classification

9. An arrangement of data to show the frequency of occurrence is called:

   1. Frequency distribution

   2. Probability distribution

   3. Data array

   4. Cumulative distribution

10. A chart in which total magnitude and its components are compared is called a:

    1. Component bar chart

    2. Pie chart

    3. Percentage component bar chart

    4. All of these