Researchers want to see if men have a higher blood pressure than women do. A study is planned in which blood pressure of 50 men and 50 women will be measured. What is the most appropriate null hypothesis about the means of men and women?

Q: I’m testing the claim that a population exceeds .62, the null hypothesis is H0, what is it?

A: H0 = Null Hypothesis H1 = Alternative Hypothesis

Q: ) What conclusions can be drawn from this hypothesis test?

A: a) H0:μ=15.7VersusHa:μ<15.7   Level of significance valueα=0.05 Test statistic value of T = x-μsn…

Q: What is the null hypothesis and alternative hypothesis?

A: Given Information: Data indicates the scores of 10 subjects in the first test and scores of the…

Q: Why we say the smaller the ρ-value, the stronger the evidence against the Null Hypothesis?

A: p value in a hypothesis testing represents the likelihood of your data would have occurred under the…

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: There is an advantage in stating the hypothesis both in the null and in the alternate; it adds…

A:

Q: writing an appropriate null and alternative hypothesis

A: here use basic of hypothesis testing

Q: A baseball coach wants to know if watching baseball movies will improve his players' performance.…

A: Solution: From the given information, the claim is that a baseball coach wants to know if watching…

Q: Come up with your own hypothesis testing scenario. What is an example of a null and research…

A: Suppose it is claimed that the average weekly salary of a waiter at restaurant in USA is $800 with…

Q: Be able to determine the null hypothesis from a description of an experiment?

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

Q: The National Center for Education Statistics would like to test the hypothesis that the proportion…

A: GivenThe national center for education statistics would like to test the hypothesisthat the…

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: 3. In the case of hypothesis testing of one sample (for large samples): If α value is greater than…

A: Solution

Q: Explain what it means to accept the null hypothesis?

A: We need to define null and alternative hypothesis.

Q: In the criminal justice system, a defendant is innocent until proven guilty. Therefore, the null…

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

Q: A group of doctors is deciding whether or not to perform an operation. Suppose the null hypothesis,…

A: Type 1 error It can be stated as the surgery will go well, but the doctors think that the surgery…

Q: The National Center for Education Statistics would like to test the hypothesis that the proportion…

A:

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: what is the correct null hypothesis?

A: The null hypothesis states that the model is not useful because all the coefficients are zero. That…

Q: In most experiments, researchers would prefer to fail to reject the null hypothesis.  Is this…

A: In the statistical hypothesis, the test statistic value lies either in the rejection region or in…

Q: Helga would like to assess the proportion of bilingual children in Iceland. It has been claimed that…

A: sample size = 200 23 were bilingual. So, sample proportion- 23200=0.115 The test to be carried out…

Q: Explain why the null hypothesis should not be accepted?

A: The hypothesis which is tentatively fixed up and tested for the possible rejection of it under the…

Q: We are testing whether students learning online perform worse than students learning in person. If…

A: Claim : Students learning online perform worse than students learning in person. The hypotheses…

Q: In 2001, the average proportion of the people with a cell phone was 34%. Has that proportion…

A:

Q: As your first step, identify the appropriate null hypothesis for the test from among the options

A: Test is that whether, for four midwest states, the distribution of administered vaccine doses…

Q: 1. why do two samples need to be independent when doing a hypothesis test ? 2.  Could you do a…

A: Part 1: Independent samples are samples drawn from same population or different population that are…

Q: What is the null and alternative hypothesis?

A: Test is that whether mean time for painting a medium-sized room without using the tool is greater…

Q: Suppose that a scientist is interested in determining if the proportion of females who prefer Diet…

A: Two sample Z test of proportions is the test to determine whether the two populations differ…

Q: A well known Maine canoe company claims to be favored by over 60% of white water canoeists. A…

A: The null and the alternative hypotheses are, H0: Maine canoe company is favored by less than or…

Q: What is step 5 of hypothesis testing ?

A: Step 1: Specify the Null hypothesis and Alternative hypothesis. In this step, will describe the…

Q: Write both the null and alternative hypothesis. Using the correct notation The proportion of…

A: Null Hypothesis (H0):It's an assertion regarding the population which is assumed to be true or is…

Q: when do we reject the null hypothesis?

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

Q: The average person spends over 5 years of his or her life on social media. State the null and…

A: The average person spends over 5 years of his or her life on social media.  Here we use hypothesis…

Q: The overall question is: Is this sufficient evidence to say that the two true proportions are…

A: Here compare proportion of male and female said yes

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: 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: Come up with you own hypothesis testing scenario. What are examples of a null and research…

A: Suppose we have the age of the male and female of the city. and to find the claim that the mean age…

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

A:

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: In the recent census, three percent of the U.S. population reported being two or more races.…

A: From the given information, Consider, p1= The Proportion of North Dakotans who are reported being of…

Q: The critical boundaries for a hypothesis test are z = +1.96 and -1.96. If the z-score for the sample…

A: Decision rule:Denote z as test statistic value and z(α/2) as the critical value.Decision rule based…

Q: What is the relationship between an alternative and a null hypothesis?

A: Note: Hi there! Thank you for posting the questions. As there are several independent questions.…

Q: In hypothesis testing, when should we use alpha and beta?

A: In Hypothesis testing alpha ɑ = It is a type 1 error, i.e. Rejecting the null hypothesis when it is…

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

A: Given that  Here  Number of participant =7

Q: Give Steps of hypothesis testing ?

A: Given: Hypothesis-testing:

Q: A study found that 13% of Americans have seen or sensed the presence of an angel. A contingent…

A:

Q: The goal of research is to prove that the null hypothesis is true. True False

A:

Q: If one rejects the null hypothesis at the 5% level, then there is a 5% chance that you made the…

A: Given, If one rejects the null hypothesis at the 5% level, then there is a 5% chance that you made…

Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.