Week 6 assignment quiz | Accounting homework help

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WEEK 6 QUIZ

Question 1 

The level of significance

  

can be any positive value

 

can be any value

 

is (1 – confidence level)

 

can be any value between -1.96 to 1.96

Question 2 

When the p-value is used for hypothesis testing, the null hypothesis is rejected if

  

p-value ≤ α

 

α < p-value

 

p-value ≥ α

 

p-value = 1 – α

Question 3 

When each data value in one sample is matched with a corresponding data value in another sample, the samples are known as

  

corresponding samples

 

matched samples

 

independent samples

 

None of these alternatives is correct.

Question 4 

What type of error occurs if you reject H0 when, in fact, it is true?

  

Type II

 

Type I

 

either Type I or Type II, depending on the level of   significance

 

either Type I or Type II, depending on whether the test   is one tail or two tail

Question 5 

The p-value is a probability that measures the support (or lack of support) for the

  

null hypothesis

 

alternative hypothesis

 

either the null or the alternative hypothesis

 

sample statistic

Question 6 

The power curve provides the probability of

  

correctly accepting the null hypothesis

 

incorrectly accepting the null hypothesis

 

correctly rejecting the alternative hypothesis

 

correctly rejecting the null hypothesis

Question 7 

A Type II error is committed when

  

a true alternative hypothesis is mistakenly rejected

 

a true null hypothesis is mistakenly rejected

 

the sample size has been too small

 

not enough information has been available

Question 8 

A two-tailed test is performed at 95% confidence. The p-value is determined to be 0.09. The null hypothesis

  

must be rejected

 

should not be rejected

 

could be rejected, depending on the sample size

 

has been designed incorrectly

Question 9 

Your investment executive claims that the average yearly rate of return on the stocks she recommends is at least 10.0%. You plan on taking a sample to test her claim. The correct set of hypotheses is

  

H0: μ < 10.0%   Ha: μ ≥ 10.0%

 

H0: μ ≤ 10.0%   Ha: μ > 10.0%

 

H0: μ > 10.0%   Ha: μ ≤ 10.0%

 

H0: μ ≥ 10.0%    Ha: μ < 10.0%

Question 10 

For a two-tailed test at 98.4% confidence, Z =

  

1.96

 

1.14

 

2.41

 

0.8612