7 9.5-14.5 19.5-24.5 29.5-34.5 39.5-44.5 14.5-19.5 24.5-29.5 34.5-39.5 44.5-49.5 Sulfur Dioxide (5 years ago) 8 2 9.5-14.5 19.5-24.5 29.5-34.5 39.5-44.5 14.5-19.5 24.5-29.5 34.5-39.5 44.5-49.5 Sulfur Dioxide (now) 6 4. Frequency

Q: From past results, a professor knows that the test scores are normally distribution with a mean 78…

A:

Q: Derive the mean and variance of a Student's T distribution

A: Let us assume X is a random variable following standard normal distribution and Y is a random…

Q: Describe about TABLE FOR F DISTRIBUTION.

A: The F Distribution is a continuous probability distribution which is positively skewed (Right…

Q: ribution. Wha

A: The mean is given , μ=20 days. The variance is given , σ2=5 days. Therefore, the standard deviation…

Q: Please make your own questions and solve it on your own about the following topics: - Normal Curve…

A: Q1. Normal Distribution is applied for ___________ Ans: This is the rule on which Normal…

Q: Explain the relationship between chi-square and normal distributions

A: Solution-: The relationship between chi-square and normal distribution

Q: Describe in brief the uniform distribution.

A: The uniform distribution is a probability distribution which is used when the outcomes are equally…

Q: Explain the the Chi-Squared Distribution?

A:

Q: Write down the important properties of the Normal Curve.

A: A normal curve is identified using the values of the mean and standard deviation to show the…

Q: The 20th percentile is the same as the 30th Range is the least reliable measures of variability. The…

A:

Q: What are the Properties of the Normal Curve?

A: A normal curve is identified using the values of the mean and standard deviation to show the…

Q: This is the pseudonym or pen name used by the person who published about the t-distribution.

A:

Q: median and IQR

A: IQR is the Interquartile range it is also called midspread or it denoted the middle 50% of the…

Q: State two of the main reasons for studying the normal distribution.

A: The two main reasons for studying the normal distribution are as follows:The normal distribution is…

Q: what is the symbol for the first parameter of the distribution and whats the value?

A: Answer: - Actually we have p=0.40  and sample size n=100  , This is the binomial Distribution

Q: Write any five properties of normal distribution.

A: The normal distribution is also called Gaussian distribution. The distribution is widely used in…

Q: Differentiate the different distributions 1. Normal 2. t-distribution

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Q: How is normal distribution can be misused in a airline company?

A: Introduction The normal distribution is a continuous prob. dist.

Q: Distinguish briefly the descriptive and inferential statistics

A: Descriptive statistics: It is a simple way to describe a dataset. It is that part of statistics…

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: The "true" variance is also the population variance True False

A: # Relation between True varience and population varience ?

Q: What does a distribution represent?

A: A distribution nothing but function that represent the possible values for a variable and how often…

Q: The distribution of sample variances tends to be a distribution skewed to the right. true or false?

A: When sampling from a normal distribution, by the definition of the Chi-square variate,…

Q: Mention two real life applications for the distribution.

A: There are lot of real life applications of distributions. The of those are as following   1.…

Q: How is the shape of the F distribution affected by the degrees of freedom?

A: Given data How is the shape of F distribution affected by the degrees of freedom

Q: The scores on a standardized test are normally distributed with a mean of 90 and standard deviation…

A: The test score is 0.6 standard deviations above the mean is obtained below: From the given…

Q: State three examples where similar averages are associated with very different distributions Go…

A: Given :  State three examples where similar averages are associated with very different…

Q: Explain why t distributions tend to be flatter and more spread out than the normal distribution

A: The t distribution is similar to the normal distribution; it has all the characteristics that normal…

Q: When the degrees of freedom is large, the t distribution becomes?

A: Given  When df is large  Then t distribution transform into ?

Q: what is the mean and standard deviation of all z distributions?

A: Z is distributed as a standard normal variable.

Q: Assume that an intelligence test scores are distributed normallt with a mean of 100 and a standard…

A: Standard normal distribution: The standard normal distribution is a special case of normal…

Q: Describe the difference in shape between a gamma(shape = 5, rate= 10) distribution and a beta(shape…

A: Given:- γα=5,λ=10    and    βa=10,b=5   we have to find mean,skew and interquartile range

Q: Provide an example scenario for which you would use ANOVA and explain what the calculated F value…

A: Suppose a sample of diabetes patients and non diabetes patients weight is taken . A One Way ANOVA…