a. Explain a Type II error and power in context of choosing a smaller level of significance. b. Explain a Type II error...
a. Explain a Type II error and power in context of choosing a smaller level of significance.
b. Explain a Type II error and power in context of a greater difference between the null hypothesis claim and the true value of the population parameter.
Homework Answers
Add Answer to:
a. Explain a Type II error and power in context of choosing a smaller level of significance. b. Explain a Type II error...
Which of the following will increase the power of a significance test? (A) Increase the Type...
Which of the following will increase the power of a significance test? (A) Increase the Type II Error probability (B) Increase the significance level alpha (C) Select a value for the alternative hypothesis closer to the value of the null hypothesis (D) Decrease the sample size. (E) Reject the null hypothesis only if the P-value is smaller than the level of significance.
α is the probability of a Type I error, which occurs when we accept the alternative...
α is the probability of a Type I error, which occurs when we accept the alternative H1 when the null hypothesis Ho is true. True False A Type II error occurs when when a false null hypothesis is rejected. True False If a null hypothesis is rejected at the 5% significance level but not at the 1% significance level, then the p-value of the test is less than 1%. True False The power of a test is the probability of...
State whether the following statements true or false, and Why? 1. The type I error and...
State whether the following statements true or false, and Why? 1. The type I error and type II error are related. A decrease in the probability of one generally results in an increase in the probability of the other. 2. The size of the critical region, and therefore the probability of committing a type I error, can always be reduced by adjusting the critical value(s). 3. An increase in the sample size n will reduce α and β simultaneously. 4....
If you make the significance level smaller (a) the p-value gets smaller (b) the t critical...
If you make the significance level smaller (a) the p-value gets smaller (b) the t critical value moves closer to zero (c) the probability of a Type I error increases (d) the probability of a Type II error increases
Determine if the following statements are true or false, and explain your reasoning. If false, state...
Determine if the following statements are true or false, and explain your reasoning. If false, state how it could be corrected. (a) If a given value (for example, the null hypothesized value of a parameter) is within a 95% confidence interval, it will also be within a 99% confidence interval. O true false (b) Decreasing the significance level (a) will increase the probability of making a Type 1 Error. false O true (c) Suppose the null hypothesis is u =...
1. Which of the following statements are not generally true? a. A type I error is...
1. Which of the following statements are not generally true? a. A type I error is usually more serious than a type II error. b. A type II error is usually more serious than a type I error. c. A test with significance level is one for which the type I error probability is controlled at the specified level. d. When an experiment and a sample size are fixed, then decreasing the size of the rejection region to obtain...
A type ll error is: O A. the error you make when choosing type Il or...
A type ll error is: O A. the error you make when choosing type Il or type I O B. typically smaller than the type l error. O C. the error you make when not rejecting the null hypothesis when it is false. O D. cannot be calculated when the alternative hypothesis contains an "-".
i need 9 though 15 please and thank you STAT 2480 Chapter 9: Significance Tests About...
i need 9 though 15 please and thank you
STAT 2480 Chapter 9: Significance Tests About Hypotheses Across 1. In a significance test, the null hypothesis is presumed to unless the data give strong evidence against it. Down 2. The hypothesis is usually a statement of no treatment effect the null hypothesis 3. A Type 1 Error is when we when it is true. 4. When the null hypothesis is rejected because the P- value is less than or equal...
Q6.) A null hypothesis is not rejected at a given level of significance. As the assumed value of the mean gets further a...
Q6.) A null hypothesis is not rejected at a given level of significance. As the assumed value of the mean gets further away from the true population mean, the Type II error will _____________. A. Increase B. Decrease C. Stay the same D. Randomly fluctuate
12 (a). Explain type I error and type II error in hypothesis. b) Test the hypothesis...
12 (a). Explain type I error and type II error in hypothesis. b) Test the hypothesis using H0 : p=0.6 versus H1 : p is greater than 0.6 If n=300; x = 75; α= 0.01
Determine if the following statements are true or false, and explain your reasoning. If false, state how it could be corrected. (a) If a given value (for example, the null hypothesized value of a parameter) is within a 95% confidence interval, it will also be within a 99% confidence interval. O true false (b) Decreasing the significance level (a) will increase the probability of making a Type 1 Error. false O true (c) Suppose the null hypothesis is u =...
A type ll error is: O A. the error you make when choosing type Il or type I O B. typically smaller than the type l error. O C. the error you make when not rejecting the null hypothesis when it is false. O D. cannot be calculated when the alternative hypothesis contains an "-".
i need 9 though 15 please and thank you
STAT 2480 Chapter 9: Significance Tests About Hypotheses Across 1. In a significance test, the null hypothesis is presumed to unless the data give strong evidence against it. Down 2. The hypothesis is usually a statement of no treatment effect the null hypothesis 3. A Type 1 Error is when we when it is true. 4. When the null hypothesis is rejected because the P- value is less than or equal...
Most questions answered within 3 hours.
-
(a) A piston at 6.1 atm contains a gas that occupies a volume of
3.5 L....
asked 1 minute from now -
Assume memory access is 10 units of time and disk access is
10000 units of time....
asked 16 minutes ago -
1. Are all good samples random?
2. Magazines often report surveys giving statistics such as “63%...
asked 38 minutes ago -
Under all the various types of market structures, firms
must eventually earn some economic profits for...
asked 24 minutes ago -
Consider the following fitness regime for a single locus trait
with two co-dominant alleles: w11 =...
asked 29 minutes ago -
A large cable company reports the following.
80% of its customers subscribe to its cable TV...
asked 44 minutes ago -
Please answer the question in brief.
Discuss the role of ERP in organizations. Are ERP tools...
asked 30 minutes ago -
Discuss the pros and cons of collaborative software such
as SameTime. Does it increase productivity? What...
asked 43 minutes ago -
Buying your in-laws a gift because it’s expected is
due to the ____________ motive of gift-giving....
asked 46 minutes ago -
Calculate the expected value, the variance, and the standard
deviation of the given random variable X....
asked 1 hour ago -
A hospital performs 100 surgeries per week. The probability that
complications after surgery occur is 10%....
asked 1 hour ago -
1 point) Given the significance level α=0.01 find the following:
(a) left-tailed z value z= (b)...
asked 1 hour ago