>
Exams
>
Mathematics
>
Variance and Standard Deviation
>
the standard deviation for the following distribut
Question:
The standard deviation for the following distribution:
Class
30-40
40-50
50-60
60-70
70-80
80-90
90-100
Frequency
3
7
12
15
8
3
2
CUET (PG) - 2023
CUET (PG)
Updated On:
Apr 27, 2024
12.89
13.98
14.18
15.38
Hide Solution
Verified By Collegedunia
The Correct Option is
C
Solution and Explanation
The correct option is(C): 14.18
Download Solution in PDF
Was this answer helpful?
0
0
Top Questions on Variance and Standard Deviation
The mean and standard deviation of 100 observations are 40 and 5.1, respectively. By mistake one observation is taken as 50 instead of 40. If the correct mean and the correct standard deviation are $ \mu $ and $ \sigma $ respectively, then $ 10(\mu + \sigma) $ is equal to:
JEE Main - 2025
Mathematics
Variance and Standard Deviation
View Solution
Let the mean and the standard deviation of the observations
$ 2, 3, 4, 5, 7, a, b $
be
$ 4 $ and $ \sqrt{2} $
respectively. Then the mean deviation about the mode of these observations is:
JEE Main - 2025
Mathematics
Variance and Standard Deviation
View Solution
If the mean and the variance of 6, 4, 8, 8, b, 12, 10, 13 are 9 and 9.25 respectively, then $ a + b + ab $ is equal to:
JEE Main - 2025
Mathematics
Variance and Standard Deviation
View Solution
Variance of 240, 260, 270, 280
KEAM - 2025
Mathematics
Variance and Standard Deviation
View Solution
Find the standard deviation of the numbers: -3, 0, 3, 8.
KEAM - 2025
Mathematics
Variance and Standard Deviation
View Solution
View More Questions
Questions Asked in CUET PG exam
Which of the following is a famous historical site that features terracotta statues?
1. Machu Picchu
2. Stonehenge
3. Black Sun
4. Terracotta Army
Choose the correct answer from the options given below:
CUET (PG) - 2025
Ceramics and Pottery
View Solution
Which of the following is the most common use of terracotta?
(A) Paper Product
(B) Sculpture
(C) Electrical components
(D) Machu Picchu
(E) Pottery
Choose the correct answer from the options given below:
CUET (PG) - 2025
Pottery
View Solution
Designs can be made using kaolin and red clay.
(A) Circular
(B) Rectangular
(C) Glaze
(D) Bisque
Choose the correct answer from the options given below:
CUET (PG) - 2025
Ceramics and Pottery
View Solution
'Bottle' and 'Growing Stones' are pottery by artists.
(A) Gurcharan Singh
(B) Ramchandra Shukla
(C) K. V. Jena
(D) P. Daroz
Choose the correct answer from the options given below:
CUET (PG) - 2025
Indian Artistsc
View Solution
Identify the famous pottery artist.
(A) K. V. Jena
(B) D. P. Roy Choudhary
(C) Mansimran Singh
(D) Kawal Krishna
Choose the correct answer from the options given below:
CUET (PG) - 2025
Indian Artistsc
View Solution
View More Questions