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13 Apr 2021

Explain the BLAG hypothesis and how it differs from the Uplift Weathering hypothesis?

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Priyanshu Patel
Priyanshu PatelLv10
17 Apr 2021
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Related textbook solutions

Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

Related questions

1.) Which of the following answers represents the objective of a hypothesis test?

a. Rejecting the null hypothesis when it is true.

b. Rejecting the null hypothesis when it is false.

c. Not rejecting the null hypothesis when it is true.

d. Rejecting the null hypothesis when it is false and not rejecting the null hypothesis when it is true.

Ā 

2.) If the chosen significance level is ? = 0.05, then

a. there is a 5% probability of rejecting a true null hypothesis

b. there is a 5% probability of accepting a true null hypothesis

c. there is a 5% probability of rejecting a false null hypothesis

d. there is a 5% probability of accepting a false null hypothesis

(1 point) Independent random samples, each containing 900 observations, were selected from two binomial populations. The samples from populations 1 and 2 produced 632 and 665 successes, respectively.

Ā 

(a) Test against ā‰  0 . Use Ī± = 0.07

Test statistic =

Rejection region lzl >

The final conclusion is

ā—‹ A. There is not sufficient evidence to reject the null hypothesis that Ā 

ā—‹ B. We can reject the null hypothesis that and accept that ā‰  0Ā 

Ā 

(b) Test Ā against . UseĀ Ī± = 0.02

Test statistic =

Rejection region z >

The final conclusion is

ā—‹ A. There is not sufficient evidence to reject the null hypothesis that

ā—‹ B. We can reject the null hypothesis that and accept that Ā 

Ā 

In a recent court case it was found that during a period of 11 years

people were selected for grand jury duty and

ā€‹%

of them were from the same ethnicity. Among the people eligible for grand juryā€‹Ā duty,

ā€‹%

were of this ethnicity. Use a

significance level to test the claim that the selection process is biased against allowing this ethnicity to sit on the grand jury. Identify the nullā€‹Ā hypothesis, alternativeā€‹Ā hypothesis, testā€‹Ā statistic, P-value, conclusion about the nullā€‹Ā hypothesis, and final conclusion that addresses the original claim. Use theā€‹Ā P-value method and the normal distribution as an approximation to the binomial distribution.

Ā 

  1. Which of the following is the hypothesis test to beā€‹Ā conducted?
  2. What is the test statistic?
  3. What is the P value?

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