# 2024 – WEEK 6 QUIZ Question 1 The level of significance can be any positive value can be any value is

Week 6 Assignment Quiz – 2024

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

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