Graphical Tools
Graphical Tools: Overview
This Topic covers sub-topics such as Data, Statistics, Pie Chart, Histograms, Bar Graph, Classification of Data, Frequency Distribution Table, Data Sufficiency, Discrete Data, Class Interval, Qualitative Data and Quantitative Data and, Continuous Variables
Important Questions on Graphical Tools
Define relative cumulative frquency?
What do you understand by the terms "quantitative data", and the "qualitative data".
Distinguish between interval and ratio variables.
Explain interval variables with example.
Define reliability and explain test-retest reliability method.
Define interval variables.
Define ratio variables and write an example.
Define reliability of measuring instruments?
Identify whether the following data is discrete data or continuous data:
The weights of students of a class
Identify whether the following data is discrete data or continuous data:
Number of teachers in a school
Identify whether the following data is discrete data or continuous data:
The heights of students of a class
Identify whether the following data is discrete data or continuous data:
Number of students in a class
A sum of is invested at simple interest per year. Calculate the interest at the end of each year. Do these interests form an Arithmetic Progression? Explain.
Statistics mainly deals with _____
Determine the mean, median and the range for the given stem and leaf plot given below:
| Stem (Leading digits) | Leaves (Trailing digits ) |
Determine the mean, median, mode and the range for the given stem and leaf plot given below:
| Stem (Leading digits) | Leaves (Trailing digits ) |
Determine the sum of the values of mode and the range for the given stem and leaf plot given below:
| Stem (Leading digits) | Leaves (Trailing digits ) |
Determine the median for the given stem and leaf plot given below:
| Stem (Leading digits) | Leaves (Trailing digits ) |
Determine the mean for the given stem and leaf plot given below:
| Stem (Leading digits) | Leaves (Trailing digits ) |
The heights of a group of people is recorded in inclusive classes:
|
Class Interval (Height in Centimetre) |
Total | ||||
| Frequency |
What is the meaning of the statement that the class has a frequency of ?
