Tag: bar charts

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Questions Related to bar charts

Multiple choice statistics data handling analysis bar charts frequency table and diagrams bar diagram

If there is an increase in a series at constant rate, the graph will be a _______.

  1. convex curve

  2. concave curve

  3. a straight line from left top to right bottom

  4. a straight line from left bottom to right top
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A constant rate of increase means the slope is constant and positive. When plotted on a graph, this results in a straight line starting from the bottom left and moving to the top right.

Multiple choice statistics data handling analysis bar charts frequency table and diagrams bar diagram

Year-wise production of rice, wheat and maize for the last ten years can be displayed by ________.

  1. simple column chart

  2. multiple column chart

  3. broken column chart

  4. subdivided column chart
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A multiple column chart (or multiple bar diagram) is ideal for comparing multiple categories (rice, wheat, maize) over a time period (ten years).

Multiple choice statistics data handling analysis bar charts frequency table and diagrams bar diagram

The purpose served by diagrams and charts is ________.

  1. to avoid textual form

  2. to avoid tabulation

  3. simple presentation of data

  4. all the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Diagrams and charts serve multiple purposes: they simplify complex data, make it easier to understand at a glance, and provide an alternative to dense textual or tabular formats.

Multiple choice statistics data handling analysis bar charts frequency table and diagrams bar diagram

If there is a decrease in a series at constant rate, the graph will be a _______.

  1. hyperbola

  2. a straight line from left top to right bottom

  3. a straight line from left bottom to right

  4. none of them
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A constant rate of decrease means the slope is constant and negative. This results in a straight line starting from the top left and moving to the bottom right.

Multiple choice statistics data handling analysis bar charts frequency table and diagrams bar diagram

The following frequency distribution is classified as 
X : 0   1    2   3   4   5   6  
f:    2   5   8   10   9   6   3    

  1. continuous distribution

  2. discrete distribution

  3. cumulative frequency distribution

  4. none of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A discrete distribution represents data where variables take on specific, distinct values (like 0, 1, 2, etc.) rather than a continuous range. Since the variable X is listed as distinct integers, this is a discrete distribution.

Multiple choice statistics data handling analysis bar charts frequency table and diagrams bar diagram

Frequency of a variable is always _______.

  1. <ul><li dir="ltr"><p dir="ltr">a digit</p></li></ul>

  2. a fraction

  3. an integer

  4. in percentage
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Frequency represents the count of occurrences for a particular value or interval. Since you cannot have a fraction of an occurrence, frequencies are always expressed as whole numbers, or integers.

Multiple choice statistics data handling analysis bar charts frequency table and diagrams bar diagram

Class interval is measured as _________.

  1. the difference between upper and lower limits

  2. half of the sum of lower and upper limits

  3. half of the difference between upper and lower limits

  4. The sum of the upper and lower limits
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The class interval (or class width) is defined as the difference between the upper limit and the lower limit of a specific class.