9.2Discuss in your own words the errors that can be made in hypothesis testing.What is a type I error? Why might it occur?a.b.What is a type Il error? How does it happen?

a) When the Null Hypothesis is true and when we reject it, in that case we have committed a type 1…

Answered: 9.2 Discuss in your own words the…

9.2 Discuss in your own words the errors that can be made in hypothesis testing. а. What is a type I error? Why might it occur? b. What is a type Il error? How does it happen?

Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter12: Probability

Section12.CR: Chapter 12 Review

Problem 14CR

See similar textbooks

Related questions

Q: 9.61 What is the difference between a null hypothesis, Ho, and an alternative hypothesis, H¡? 9.62…

A: Here we need to differentiate four terms in a pair i.e, null hypothesis and alternative hypothesis…

Q: Which of the following describes a Type Il error for the hypotheses?

A: The type II error is defined as accepting the null hypothesis when the alternative is true.

Q: A researcher risks making a Type I error any time the null hypothesis is rejected? state the reason?

A: Type I error: The type I error can be defined as the probability of rejecting the null hypothesis…

Q: What is the p-value if, in a two-tail hypothesis test, ZSTAT=+1.16? p-value=

Q: If, in a sample of n=16 selected from a normal population, X=57 and S=20, what is the value…

Q: Suppose that you want to test a null hypothesis that states that Math and Chemistry majors do not…

A: Given information: A null hypothesis needs to be tested that Math and Chemistry majors do not…

Q: The mathematics department at one university reports that the failure rate for College Algebra is no…

A: 2 types of errors. Type 1: Rejecting null hypothesis when it is True Type 2: Fail to reject null…

Q: if the null hypothesis should be rejected and researchers reject it they have committed.? which of…

A: Type I error: The type I error is the rejection of the null hypothesis when it is actually true.…

Q: An elementary school claims that the variation in reading score of its fourth grade students is less…

A: Note: If the alternative hypothesis is less than case, then the tail of the test is left-tail test.…

Q: A researcher evaluates a treatment effect using a two-tailed hypothesis with α = .05 and the…

A: Rejection rule: Reject the null hypothesis if p-value is less than the level of significance.

Q: The human resources department of a large investment bank announced that the number of people it…

Q: The mean repair bill of cars is greater than $110. A) Write the null and alternative hypotheses. B)…

A: In this question, we have a given statement, using that statement we have to find the null and…

Q: 1. a) What are the two decisions that you can make from performing a hypothesis test? b) In your own…

A: (a) Two decisions that can be made based on the result of a hypothesis test are: Reject the null…

Q: Which is the null hypothesis? * There is a significant relationship between a person's age and their…

A: We have given that the data of two populations one of person’s age and other one is time spent for…

Q: If a hypothesis is not rejected at the 0.10 level of significance, it must be rejected at the 0.05…

A: The level of significance is 0.10.

Q: 7. Refer to the Bayer Aspirin problem: a) Suppose the hypothesis-testing problem was changed to a…

A: According to the given information Null hypothesis The hypothesis that there is no significant…

Q: Are freshmen psychology majors just as likely to change their major before they graduate compared to…

A: From the given information, it is observed that the test is about two population proportions. Thus,…

Q: A politician believes that 60% of constituents are in favor of a particular issue. She takes a…

A: Null hypothesis:A statistical hypothesis which is assumed and whose validity is tested for possible…

Q: pose that in a follow-up study of 40 staff nurses in Tampa and 50 staff nurses in Dallas you min the…

Q: Which of the following is the correct way of stating the null hypothesis of the given problem?

A: Test is that whether there is a relationship between the post-test scores of students in Algebra and…

Q: If you use a 0.05 level of significance in a two-tail hypothesis test, what decision will you make…

A: Alpha = 0.05 Two tailed test Zstat = 1.2

Q: Are Republicans less likely than Democrats to display the American flag in front of their residence…

A: Consider that p1, p2 is the true proportions of Republicans and Democrats, who display the American…

Q: Suppose that the critical values of a two-tailed hypothesis test are – 1.645 and 1.645. A study is…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 9.6 What is the p-value if, in a two-tail hypothesis test, ZSTAT = + 2.00? 9.7 In Problem 9.6, what…

A: 9.7)Givenα=0.10zstat=+2.00

Q: If you use a 0.05 level of significance in a two-tail hypothesis test, what decision will you make…

A: Given ZSTAT=-1.52, ɑ=0.05 Two tailed hypothesis

Q: A professor suspects that the more often students attend their online lecture the better they will…

A: Here Given Professor claims that more often students attend their online lecture the better they…

Q: Suppose the significance level of a certain hypothesis test is α = 2.5% and the p-value is equal to…

A: Decision rule: If P-value ≤ α, then reject the null hypothesis. Otherwise, fail to reject the null…

Q: 2. The average U.S. household has $235,600 in life insurance. A local insurance agent would like to…

A: Population mean = ? = 235600 Sample S.D = s =25500 Sample size = n =30 Sample mean = x̅ =…

Q: 8. Refer to the Bayer Aspirin problem: How would the alternate hypothesis be written symbolically if…

Q: 4. A computer program has produced the following output for a hypothesis-testing problem: Difference…

Q: 2. Is the hypothesis above a one-tail or a two-tail hypothesis?

A: We have given that Sample size n= 1000 Favorable cases x = 89 Sample proportion p^=x/n

Q: Four drug companies are studying the effect of their new drugs. In its clinical trials, company A…

A: 1) False, Company B is more likely to reject null hypothesis Because significance level is high 2)…

Q: 15. . When a p-value is high, this means there is strong evidence against the ull hypothesis А. Tre…

A: Since you have asked multiple questions, we will solve the first question for you . If you want a…

Q: An elementary school claims that the variation in reading score of its fourth grade students is less…

A: Given,claim: the variation in reading score of its fourthgrade students is less than some value.

Q: Are freshmen psychology majors more likely to change their major before they graduate compared to…

Q: If a hypothesis is not rejected at the 0.10 level of significance, it will not be rejected at the…

A: The probability of determining a test statistic value at least as extreme as the observed value…

Q: 9.4 If you use a 0.01 level of significance in a (two-tail) hypothesis test, what is your decision…

A: Given : Significance level, α= 0.01

Q: What is a null hypothesis?

A: Hypothesis:Hypothesis is an assumption about the parameter of the population which will be made on…

Q: The owner of a professional basketball team claims that the mean attendance at games is over 17,000…

A: In this case, the owner of a professional basket ball team claims that the mean attendance at a game…

Q: 22. Because one of the brands of MP3 players (Brand B) is known to be the most popular among…

A: 22. Alternate Hypothesis: It is the hypothesis which is claimed by the researcher Null…

Q: If we have a sample of size 100 from a population of rope with sample mean breaking strength of 960…

A: Type I error is the chance of rejecting the null hypothesis when it is true.

Q: 2. What is your null hypothesis? (in words)

A: Given that Here Number of participant =7

Q: The mathematics department at one university reports that the failure rate for College Alge is no…

A: Type I error= Rejecting the null hypothesis when it is TRUE. Type II error = Fail to reject null…

Q: 9.1 If you use a 0.05 level of significance in a (two-tail) hypothesis test, what will you decide if…

Q: You wanted to know whether eating fatty foods is related to obesity. a) Formulate your null and…

A: The null hypo. is a statistical statement stating no relationship between the observed and measured…

Q: a) Identify the null and alternative hypotheses? Ho: ? v H1: ? b) What type of hypothesis test…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: When asked what it means for the result of a hypothesis test to be practically significant (or…

Q: what would be the alternate hypothesis and type of test

A: Claim : the average time from 0 to 60 miles per hour is not equal to 8.7 seconds

Q: The proportion of business improvement loan applications turned down in this country is equal to 15%…

A: According to the given information in this question The null hypothesis is H0 : p = 0.15

Q: Solve the problem. 13) A researcher wants to know whether athletic women, on average, are more…

A: 13) Let μ1 denotes the population mean exercised athletic women, and μ2 denotes the population mean…

Question

9.2
Discuss in your own words the errors that can be made in hypothesis testing.
What is a type I error? Why might it occur?
a.
b.
What is a type Il error? How does it happen?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

$Research Ethics$

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.