Question:
The proportion of frequencies lying on either side of the mean in a normal distribution curve within a range of +1 to -1 standard deviation is approximately:
The proportion of frequencies lying on either side of the mean in a normal distribution curve within a range of +1 to -1 standard deviation is approximately:
Show Hint
In a normal distribution, about 68% of the data falls within one standard deviation from the mean.
Updated On: Sep 20, 2025
- 95%
- 68%
- 50%
- 75%
Hide Solution
Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Step 1: Understand the properties of a normal distribution.
In a normal distribution, approximately 68% of the data lies within one standard deviation of the mean, both above and below. This is a fundamental property of the bell
-shaped curve.
In a normal distribution, approximately 68% of the data lies within one standard deviation of the mean, both above and below. This is a fundamental property of the bell
-shaped curve.
Was this answer helpful?
0
0
Top Questions on Biostatistics
Fig. shows repeated glucose measurement for a single sample. Choose the correct findings from the following statements.
LIST:
A. Instrument A is precise and unbiased.
B. Instrument B is precise and biased.
C. Instrument B has a positive bias.
D. Instrument C has only positive bias.
E. Instrument C is unbiased.
- A study of 50 individuals found mean systolic blood pressure $\bar{x} = 124.6$ mm Hg with sample standard deviation $S = 10.3$ mm Hg. Find the no. of individuals needed to reduce the standard error of the mean to 1 mm Hg.
- Some study on human pregnancies were conducted and it is found that, human pregnancies have a gestation period that is approximately normal with $\mu = 39$ weeks and $\sigma = 2$ weeks. What is the z-score for a pregnancy that lasts 36 weeks?
- Random error associated with sampling and randomization are effectively addressed by confidence and hypothesis tests. These methods fail to address systematic errors. Systematic errors come in which of the following forms?
LIST:
A. Confounding bias
B. Information bias
C. Selection bias
D. Direction bias
E. Random bias
- Choose the correct statements about chi-square probability density function.
LIST:
A. They start at 0.
B. They are Symmetrical.
C. They have a mean equal to their degree of freedom.
D. They have variance equal to degree of freedom.
E. They have variance equal to 2 $\times$ degree of freedom.
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
- 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: - 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
- '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
- 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 More Questions