use the data to plot Normal probability plot of residuals, Plot of residuals versus run order or time, Plot of residuals versus fifitted values by using minitab, show clear process

Q: Describe about the Correlation Not Necessarily Cause-Effect?

A:

Q: Describe about TABLE FOR F DISTRIBUTION.

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

Q: reasons why the standard error decreases as the sample size increases .

A:

Q: better way to understand Standard normal distribution

A: We have given that.    X~N( 0 ,  1 )    μ = 0    , ? = 1   Z-score =( x - μ )/?

Q: Explain t Distribution? & it's Prerequisites?

A: From the given question, The student’s t-distribution can be defined as:

Q: In the normal curve, the measure of variability all coincides at the center. O TRUE FALSE

A: True or False

Q: Define how to use t-Statistic in Regression When the Sample Size Is Small? Explain Use of the…

A: The t statistics is divided by its standard error coefficient. The default error is an approximation…

Q: Explain the difference between binomial and normal distribution

A: It is asked to tell the difference between the binomial and normal distribution

Q: Define type I error, type II error.

A: Type I error (α): The probability of rejecting the null hypothesis when it is actually true is…

Q: When do you use the t-statistic and what is the advantage over the z-statistic?

A: Conditions for using t statistic: The t statistic is used in the hypothesis testing, for testing the…

Q: Z= 123 - 105 / 15  Second Part is a fraction. This is statistics to find the normal curve, please…

A:

Q: What does the variance of a random variable measure? What is the standard deviation of a continuous…

A: Variance of a random variable measures how far a set of (random) numbers are spread out from their…

Q: Describe about 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: 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: How we use the statistical inference

A: Statistical inference is the process of drawing conclusions or making predictions about a population…

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

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

Q: What is the new version of standard error?

A:

Q: How do you know when to use a z -test vs. t -test?

A: Z-tests are statistical calculations that can be used to compare the means of a sample's population.…

Q: What are the properties of F distribution?

A:

Q: Compare z-test with t-test and explain how and why a t-distribution is different from a…

A: The z test is used to compare the hypothesis testing of sample mean with population mean either the…

Q: Introduction and explain the Test of hyphotesis on a single variance

A: A test of a single variance assumes that the underlying distribution is normal. The null and…

Q: When can we apply chi-square distribution?

A:

Q: last 20 minutes left thank you!

A: Data analysis refers to the process of gathering relevant information from the given data to make…

Q: How to calculate the mean and variance of Poisson distribution?

A: As we know that Poisson is a discrete Probability distribution.  If X is a random variable and it…

Q: when do we use the statistical treatments

A: I will discuss when we have to use statistical treatments

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: Jse normal approximation to estimate the probability of getting less than 47 girls in 100 births.…

A: n=100, p=1/2, q=1/2 μ=n×p=100×1/2=50 σ=√(n×p×q)=√(100×1/2×1/2)=5

Q: Explain the difference between t-distribution and z-distribution. What are the advantages and…

A: We only have to do first question according to Bartleby guildlines....... Question 1   We have to…

Q: Describe what actually histograms show in distributions in operations ?

A: Introduction - Graphical methods in statistics These methods are useful aids to portray the results…

Q: A tourism board in California, USA has conducted a survey of small hotels (defined as hotels with 12…

A:

Q: ANOVA y Sum of Squares df Mean Square Sig. Between Groups 32.000 16.000 8.000 .010 Within Groups…

A:

Q: Analysis of Variance can also be called as F-test. true or false?

A: As we know that analysis of variance which is ANOVA . In this we can calculate F - value which is…

Q: When do we use a mean and SD to define a continuous variable distribution?

A: Given information: For a continuous variable distribution with specified mean and standard…

Q: Explain kurtosis of the distribution?

A:

Q: Explain how F-statistic has two types of degrees of freedom?

A: Introduction: Degrees of freedom can be defined as the number of values in an analysis, that can be…