Question
Find the standard deviation of the following data
(rounded of the two decimal places). 5,3,4,7Solution
Observation = 5,3,4,7 Mean = (5+3+4+7)/4 =19/4 = 4.75. Squared Differences from the Mean= (5-4.75)2 = 0.0625 (3-4.75)2=3.0625 (4-4.75)2 = 0.5625 (7-4.75)2=5.0625 Variance = (0.0625+3.0625 +0.5625 +5.0625)/4 =8.75/4 = 2.1875 Standard Deviation=√2.1875 =1.48 Standard Deviation = 1.48
Irang, Maku and Tuival are important tributaries of:
An object is placed at the principal focus of a concave lens. Which of the following options represents the characteristics of the image formed?
EPFO is under the administrative control of which Ministry?
Which of the following statements is/are correct?
(1) Twelfth Schedule deals with the matters of Municipalities.
(2) 74th Constitutional...
Consider the following statements:
- The act of working at an extra job
- Mostly done in IT sector
- Swiggy ...
Select the set in which the numbers are related in the same way as are the numbers of the following sets.
(Note: Operations should be performed o...
Which layer of the OSI model is responsible for dividing data into smaller units for transmission?
When are strikes and lock-outs prohibited according to the Code on Wages Act 2020?
India State of Forest Report 2023 (ISFR) was recently released by which of the following:
In April 2023, the Election Commission abolished the national status of which of the following political parties?
Relevant for Exams:
