* If HO: u=30 HA: µ #30 O HA: μ < 30 Ο HA: μ> 30 Ο all above O dont of them O

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A: The level of significance =0.05 The null and alternative hypotheses are: H0:ceremonial ranking and p...

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A: Here we will use Basics of Sampling distribution 

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A:

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A:

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Q: sampling ons Situations v dividing the population by Gender, and choosing 30 people of each gender |...

A: The objective is to match the following sampling methods.  

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A:

Q: Marks in an examination are approximately normally distributed with mean 75 and standard deviation 5...

A:

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Q: In Exercises 1 to 6, each situation calls for a significance test. State the appropriate null hypoth...

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A: Given, The statement is for a hypothesis test evaluating the effect of a treatment on a population m...

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A: HERE GIVEN, n= 52 sample mean = 2.44 inch S = sample standard deviation = 1.34

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A:

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A: Upper quartile :-Upper quartile is 75% of the data or 75th percentile

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A: Here use given claim to identify type 1 and type 2 error   

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A:

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A: Given The null and alternative hypothesis is

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A: Since you have posted a question with multiple sub-parts, as per our guidelines we have provided ans...

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A:

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A: Here, we have to choose correct statement.

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A:

Q: Marks in an examination are approximately normally distributed with mean 75 and standard deviation 5...

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Q: 1 What is the Standard Error of the Mean

A: here use definition of standard error of mean

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A: Given Mean =91 Standard deviation =10

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A: Given:   Small medium large Fatal 67 26 16 Non Fatal 128 63 46  

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Q: what is the standard deviation

A: Here use standard normal distribution table for z score  And The average cost of an IRS Form 1040 ta...

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A:        

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A:

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A: The objective is to identify which sampling technique is used for given question 2.

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A: here as per guidelines i have calculated first main question repost for remaining scores are normall...

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A: Statistics is a field of study which involves collecting, arranging, analyzing and drawing inference...

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A: Given Mean=0 Standard deviations=1

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A: