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
Many national surveys ______ that malnutrition is common in developed countries.
to change and improve the arrangement of something
Select the most appropriate option the can substitute the bold segment in the given sentence.
Our exam bee office is in the 3rd floor of that b...
When I went to see her today at her house, her face was completely pail (A)/ pale (B).
The family members visited the temple altogether (A) / all...
Select the most appropriate ANTONYM of the given word.
Spellbound
Select the most appropriate word for the given group of words.
Group of bees
Abstain
Dilemma
Select the most appropriate meaning of the given idiom.
A feast for the eyes
Forgetfulness can be no reason or it should be the most contagious [A]/ contiguous [B] of ailments.
I was really up the creek [A] / creak [B] wit...