2. What is random sampling?   6.Four airplanes from different airlines have crashed in the past two weeks. This terrfies Megan, who must travel on a plane? Her travel agent claims that the probability of a plane crash is minuscule. who is correct and why?   10.What is the difference between using both tails versus one tail of the sampling distribution in terms of (a) the region of rejection? (b) the critical value?   14.Why do we retain that a sample represents the underlying raw score if the population if the sample mean is not in the region of rejection?

Q: 3a. (Data calories.txt) Refer to the caloric intake description. We are interested in determining…

A: Given information: Treatment 1 Treatment 2 435.16 414.61 338.99 503.46 488.73 425.22…

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A: We have to find correct answer..

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A: Given,no.of columns(c)=8no.of rows(r)=3

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Q: Levene's test measures Generally researchers are hoping that this test will be

A: Here use basic of levene's  test

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A: A medical researcher wants to test the effect of three different medications for low blood pressure.…

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A: Solution Ho and Ha be the null and alternative hypothesis

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A: Here sample size, n= 8 Difference of two mean is given by, (XB bar - XA bar) + - t* √(Sa2+Sb2)/n…

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Q: 4. If random samples of size 75 are taken from a distribution that is the distribution of the sample…

A: Here, we can apply the Central Limit Theorem. This states that if the sample size is large enough,…

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A: Simple random sampling: Simple random sampling is defined as a method of sampling in which, a sample…

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Q: 11

A: Solution H0 and h1 Are null and alternative hypothesis

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A: Given that n=25

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A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.