makes a distribution a normal distribution?
Q: Find the 38th percentile of the standard normal distribution.
A: Finding the 38th percentiles of the standard normal distribution In standard normal distribution…
Q: Why is normal distribution important in statistics and in everyday life?
A: Normal Distribution is important in statistics because many natural phenomena follows Normal…
Q: What are Normal Distributions?
A: The normal distribution is often called the bell curve because the graph of its probability density…
Q: Why do t distribution tend to be flatter and more spread out than the normal distribution is?
A: t distribution is more spread out than the normal distribution
Q: What is the special property of the standard normal distribution?
A: Standard normal distribution: The total area under the density curve is equal to 1.
Q: What would a skewness of .163 mean? Is this normal distribution?
A: Solution: Skewness: Skewness can be defined as the lack of symmetry in the data set. In other…
Q: Why do t distributions tend to be flatter and more spread out than the normal distribution is?
A: Formula for t score; Formula for z score; Here s shows the sample standard deviation, shows the…
Q: What is a chi-square distribution?
A: Chis square distribution is used on standard normal random variable using k degrees of freedom , it…
Q: The top 10% of a normal distribution is above what z-score?
A:
Q: For a normal distribution, the first quartile corresponds with the 25th percentile. A.) True B.)…
A:
Q: When figuring probabilities for a normal distribution why is it necessary that we must convert to a…
A: For figuring out the probabilities for a normal distribution,whatever the parameters might be,we…
Q: What proportion of a normal distribution is located above the mean?
A: z-score: z-score is a standardized score which tells about how many standard deviations does a data…
Q: What describes measurements that have a normal distribution?
A: The farther away you move from the average, the fewer individuals will have those more extreme…
Q: Sketch the normal distribution with a. µ = 3 and σ = 3.b. µ = 1 and σ = 3.c. µ = 3 and σ = 1.
A: a.The normal distribution with is,
Q: Explain the Normal Distribution? Also Define normal distribution for a single variable?
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Q: (a) Can a normal distribution be used for the p distribution? Explain.
A: (a) Let p denotes the population proportion of successes. The sample size is 20, and population…
Q: how to know if something is a normal distribution or not
A: Introduction:Several tests of normality exist, using which you can verify whether a particular data…
Q: A normal distribution is defined by two parameters, the mean and the __________. mode standard…
A: A normal distribution is defined by two parameters.
Q: What does a distribution represent?
A: A distribution nothing but function that represent the possible values for a variable and how often…
Q: Find the 50th percentile of the standard normal distribution and draw the bell curve?
A: The required answer is below:
Q: Draw a normal distribution.
A: We know that the normal distribution, P( μ - σ < X < μ + σ ) = 68% P( μ - 2σ < X < μ +…
Q: Identify if its true or false A normal distribution is symmetrical at the mean, i.e. the left side…
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Q: What are the characteristics of a normal distribution? What two characteristics make a distribution…
A: Given that What are the characteristics of a normal distribution? What two characteristics make a…
Q: Find the 69th percentile of the standard normal distribution.
A: Let a be the 69th percentile of Standard normal distribution, then: PZ<a=0.69 Using standard…
Q: 12. Find the variance of normal distribution.
A:
Q: What is the mean of the standard normal distribution?
A: We have to find given correct answer for Normal distribution..
Q: Why is it that the “COVID curve” cannot be considered as a normal distribution?
A: COVID Curve cannot be considered as a normal distribution due to the following reasons:
Q: what is the mean and standard deviation of all z distributions?
A: Z is distributed as a standard normal variable.
Q: the standard normal distribution has a mean of
A: Solution: Let z is the standard normal distribution.
Q: The mean of the standard normal distribution is?
A: suppose, x follows the N(0, 1), mean (mu) = 0, variance = 1 the mean of the standard normal…
Q: a) What are the characteristics of the standard normal distribution?
A:
Q: What is normal distribution?
A: The normal distribution: A continuous random variable X is said to follow normal distribution with…
Q: Sketch the normal distribution with a. μ = 3 and σ = 3. b. μ = 1 and σ = 3. c. μ = 3 and σ = 1.
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Q: State how the difference between the shape of the t distribution and normal distribution is affected…
A: There is a property of t-distribution which indicates that with the increase in the degrees of…
Q: What are the parameters for a normal curve?
A: Normal distribution: Normal distribution is defined based on mean (µ) and standard deviation (σ).…
Q: a) Briefly explain the Normal Distribution, its derivation and use.
A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…
Q: What is the difference between Normal and T-distribution?
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Q: Write what you know about normal distribution and standard distribution ?
A: Define normal distribution and standard normal distribution
Q: In a normal distribution, what is the percentage of data having a z score less than -1?
A: Obtain the percentage of data having a z score that is less than –1. The percentage of data having a…
Q: What do you mean by a normal curve (normal distribution) ?
A: Given : Normal curve (Normal distribution)
Q: What are the characteristics of a normal distribution?
A: Normal distribution- It is a frequency distribution curve. It is also called bell shaped curve. In…
Q: Could this curve represent a normal distribution?
A:
Q: What is left skewed distribution
A: Here we have to define What is left skewed distribution.
Q: 1. What are the applications of Normal Distribution?
A: 1.To determine the percentage of cases (in a normal distribution) within given limits or scores. 2.…
Q: A normal distribution curve is bell- shaped.
A:
Q: Use Table B to find the proportion of a Standard Normal distribution that is: below −1.42
A: From the provided information, The distribution is standard normal for which mean is 0 and standard…
Q: You can tell if a distribution is normal because it is Approximately bell-shaped and symmetrical…
A: We have given that the statement about to the normal distribution. Here, need to find out the…
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