Youmay post work and answer for any 2random homework problems from thefollowing assigned homework problems. Select problem fromsection7.2,7.3,7.4,or7.5. Do not choose 2 problems from the same section....

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Youmay post work and answer for any 2random homework problems from thefollowing assigned homework problems. Select problem fromsection7.2,7.3,7.4,or7.5. Do not choose 2 problems from the same section. Do not attempt to work on homework problems whose solutions havebeen provided by your classmates.Everyone must choose a differenthomework problem to work on.Single answers are not credited.You mustshow where you are getting your answers from for every problem.Write your chosen homework problems in the subject line to avoid duplications of the same choices. In addition,copy down the original problem and its direction from thebook.Bothhomework problems must becompleted in a single post.





Answered Same DayNov 17, 2021

Answer To: Youmay post work and answer for any 2random homework problems from thefollowing assigned homework...

Suraj answered on Nov 17 2021
148 Votes
Homework Assignment
Q1. Explain how to use t-test to test a hypothesized mean µ, when is unknown.
What assumptions are necessary?
Ans: The role of t-test in hypothesis testing is very important. We can use t-test in three ways, those are t-test for single sample, t-test for two samples and t-test for paired samples. Here, we will discuss about the one sample t-test. In one sample t-test we test a sample mean to a hypothesized mean that any specific value. First, we will compute the mean of the given sample and then compute the standard deviation of that sample.
The test-statistic for one sample is given as follows:
t-statistic =
when standard deviation is unknow, we estimate it from the sample and denoted as s. Because is unbiased...
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