1. Reject the null hypothesis 2. that we have proven the null hypothesis 3. unable to answer- not enough information 4. retain the null h Suppose that you conducted a one-tailed hypothesis test and obtained a z value of 2.345. Using the information from table below, and knowingthat your test was conducted with an a = .01, what would your decision be for this scenario?Level of SignificanceTwo-tailed Test.20.10.05.02.01.0011. Reject the null hypothesis.Level of SignificanceOne-tailed Test2. That we have proven the null hypothesis.8883 Unable to answer not enough information.3.10.05.025.01.005.0005200-240OCritical Value ofTest Statistictv1.2821.6451.9602.3262.5763.291CJOMacBook AirF7SA▶11F8F9EF10

Answered: 1. Reject the null hypothesis. 2. That…

Math

Statistics

1. Reject the null hypothesis. 2. That we have proven the null hypothesis. 3 Unable to answer not enough information.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: A Type 2 mistake arises in hypothesis testing when a. When the alternative hypothesis is true, the…

A: Solution A type 2 error is occurd when null hypothesis is not rejected when it is not true.

Q: ule clalm about the population mean p at the given level of significance a using the given sample…

A: Correct option: Option C

Q: 36. A Type I error is committed if we make: a correct decision when the null hypothesis is false. a…

A: Statistics. Type I error

Q: All are possible outcomes to a study ACCEPT: reject the null hypothesis reject the…

A: Given : The possibe outcomes of study

Q: I. TRUE or FALSE. Write TRUE if the statement is unconditionally TRUE. Otherwise, write FALSE. 1.…

A: We have given that, The non-rejection of the null hypothesis means that the null is true? We have…

Q: Researchers in biology collected a sample of bees. They want to test if the average size of bees is…

A: It is given that the A researcher collects a sample of bees in order to test if the average size of…

Q: Researcher A uses a sample of n = 100 for their hypothesis test while Researcher B uses a sample of…

A: Standard error is the error due to random sampling. Population is the set of all objects of…

Q: Under what circumstances are post hoc tests necessary? a. accept null hypothesis with k = 2 b.…

A: Rejecting a null hypothesis in ANOVA will conclude that there is difference in the treatment means.…

Q: Express the null hypothesis H0 and the alternative hypothesis Ha in symbolic form. A company claims…

A: Population mean μ =14

Q: Express the null hypothesis H and the alternative hypothesis Hin notation form in the following…

Q: 13. Which of the following is an accurate definition of a Type II error? a. Rejecting a true null…

A: We will tell you which one is the correct choice.

Q: The mean SAT score in mathematics is 496 . The founders of a nationwide SAT preparation course…

A: Null hypothesis: Alternative hypothesis:

Q: Currently 1.1% of all children are born with peanut allergies. A researcher suspects that if the…

A: From the provided information, Sample size (n) = 1300 Out of which 9 of their babies were born with…

Q: Suppose we fail to find enough evidence to reject the null hypothesis in a given test. Given that…

A: We know that, in a hypothesis testing problem, two types of errors occur. When we reject a true…

Q: Explain the concepts of the Null Hypothesis and Research Hypothesis. The textbook gives four…

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

Q: The results of a trial involving an experimental vaccine for children are shown below. Developed flu…

A: Hypothesis: Ho: Treatment method is independent of flu development. V/s HA: There is a relationship…

Q: True or False. Write True of the statement is correct and False if it is not. 1. Hypothesis testing…

A: 7) False The alternative hypothesis denotes the presence of significant difference/relationship or…

Q: A study done on a marriage counseling course showed that the proportion of couples for which the…

A: Given that Population proportion p=79%=0.79

Q: Claim: A majority of adults would erase all of their personal information online if they could. A…

A: Let p be the population proportion Given p=58%=0.58

Q: 8. Suppose you test the hypothesis that Intervention A is more effective than Intervention B in…

A: The claim is intervention A is more effective than intervention B in preventing high school dropout.

Q: i. asked to state the appropriate null hypothesis and alternative hypothesis. The answer given are…

A: Given that persons who visit restroom of a certain fast-food outlet was asked to state their opinion…

Q: In a study of the effects of mediation on anxiety, participants were randomly assigned to either…

A: Answer:- Given, A study of the effects of mediation on anxiety, participants were randomly assigned…

Q: 2 You are asked to perform a hypothesis test that population mean is at most, or no greater than,…

A: Which of the following is the correct statement of the null and alternative hypotheses for this…

Q: a. Is it possible to make a Type I error? Explain your answer. b. Is it possible to make a Type II…

A: a. Is it possible to make a Type I error? Answer:Option C) is correctYes, it is possible. A Type…

Q: Identify if its TYPE 1 or TYPE II if there is any committed in each of the following situations. 1.…

Q: A. State the null hypothesis (H,) and the alternative hypothesis (Ha) for each of the following. 4.…

A: A null hypothesis is a statement, in which there is no relationship between two variables. An…

Q: A type I error A. arises when the false null hypothesis is not rejected. OB. is the rejection of a…

A: A type I error

Q: You are asked to perform a hypothesis test that population mean is greater than 55. Which of the…

A: You are asked to perform a hypothesis test that population mean is greater than 55. Which of the…

Q: The mean SAT score in mathematics is 490. The founders of a nationwide SAT preparation course claim…

Q: What are the two decisions that you can make from performing a hypothesis test?

A: here use basic of hypothesis testing , In hypothesis Testing the result is either in favor of Claim…

Q: D. Whymight it be worse to make a Type 1 error in this scenario? E. Suppose that we fail to reject…

A: D. Null and alternative hypotheses: The hypothesis which is tentatively fixed up under and tested…

Q: A sample of n = 200 college students are asked if they believe in extraterrestrial life and 120 of…

Q: Express the null hypothesis H and the alternative hypothesis Hin notation form in the following…

A: Given that Population mean μ =120000.00

Q: 7. When designing an hypothesis test, one of the first decisions that needs to be made is which…

A: Type 1 error - probability of rejecting a null hypothesis when it is true Type 2 error - probability…

Q: A college professor states that this year's entering students appear to be smarter than entering…

A: From the provided information, The college's records indicate that the mean IQ for entering students…

Q: Express the null hypothesis H and the alternative hypothesis Hin notation form in the following…

Q: State the null and alternative hypotheses. O Ho: Not all the population means are equal. Ha: MA MB…

A: The data shows the three treatments mean and variances.

Q: -Find the correct null hypothesis and for each correct alternative hypothesis 7. Suppose you hear a…

A: Solution

Q: A study done on a marriage counseling course showed that the proportion of couples for which the…

A: Claim:The proportion of couples for which the communicationprogram can prevent divorce is less than…

Q: of the following below could be the null hypothesis ? ( look at the ima

A: In this case, the claim is that students are getting less than about 12 hours per 24 hours.

Question

1. Reject the null hypothesis

2. that we have proven the null hypothesis

3. unable to answer- not enough information

4. retain the null h

Suppose that you conducted a one-tailed hypothesis test and obtained a z value of 2.345. Using the information from table below, and knowing
that your test was conducted with an a = .01, what would your decision be for this scenario?
Level of Significance
Two-tailed Test
.20
.10
.05
.02
.01
.001
1. Reject the null hypothesis.
Level of Significance
One-tailed Test
2. That we have proven the null hypothesis.
888
3 Unable to answer not enough information.
3
.10
.05
.025
.01
.005
.0005
200-240
O
Critical Value of
Test Statistic
tv
1.282
1.645
1.960
2.326
2.576
3.291
C
JO
MacBook Air
F7
SA
▶11
F8
F9
E
F10

Expert Solution

Step 1

It is given that

The statistic value is

z = 2.345

Significance level, α = 0.01

The hypothesis test is one-tailed test.

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

Need answer to question 12.
A study is conducted examining possible differences between types of cancer for blue collar, white collar, and unemployed workers. Samples of 100 blue collar, 100 white collar, and 100 unemployed workers currently being treated for cancer are obtained. The types of cancer are classified as either Lunch, Stomach, or Other. Occupation lung stomach other Blue collar 53 17 30 White collar 10 67 23 Unemployed 30 30 40 A. State the appropriate null and alternate hypotheses for this problem. B. Calculate the test statistics. (By hand) C. Determine the rejection region. D. State the conclusion.
2. A Type Il error is committed when A. we reject a null hypothesis that is true. B. we retain a null hypothesis that is true. C. we reject a null hypothesis that is false. D. we retain a null hypothesis that is false.
Suppose that we reject a null hypothesis at the 0.1 level of significance. Then for which of the following a- values do we also reject the null hypothesis? O A. 0.002 ОВ. 0.02 ОС. 0.01 D. 0.2 E. 0.001
The mean SAT score in mathematics is 478 . The founders of a nationwide SAT preparation course claim that graduates of the course score higher, on average, than the national mean. Suppose that the founders of the course want to carry out a hypothesis test to see if their claim has merit. State the null hypothesis H0 and the alternative hypothesis H1 that they would use. H0 : H1 :
The solution for H0 or H1 was not given or explained in the expert solution provided.
You watch people exiting Dodgers stadium after a game and you write down the number of males and the number of females that exit the stadium past you during the 20 minutes that you spend watching. You assumed that there would be a perfectly equal number of males and females attending a Dodgers game, but you look at the number of males and females that you actually counted, and you see if you still think that is actually true. What kind of hypothesis test would allow you to do this? a. One-Factor, Independent-Measures ANOVA b. Two-Factor ANOVA c. Correlation/Regression d. Chi-Square Goodness of Fit
Which statement describes a Type II Error? Fail to reject the null hypothesis H0, when H0 is actually true Reject the null hypothesis H0, when H0 is actually true Fail to reject the null hypothesis H0, when H0H0 is false Reject the null hypothesis H0, when H0 is actually false
Number 1
Express the null hypothesis Ho and the olternative hypothesis Ho in notation form in the following scenario. 1. A mathematics teacher claims that the mean IQ of statistics students is 110. The mean IQ of the 32 randomly selected Statistics students is 112 which is more than what the mothematics teacher claims.