44) Which of the following would be an appropriate null hypothesis? A) The mean of a population is greater than 55. C) The mean of a sample is equal to 55. B) The mean of a sample is greater than 55. D) The mean of a population is equal to 55.

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: Which of the following is NOT a condition necessary for a hypothesis test about a single population…

A: Given that : Which of the following is NOT a condition necessary for a hypothesis test about a…

Q: Mr. Jones believes that the mean income of lawyers is now less than $65 thousand per year. Which is…

A: Given,   Claim: Mr.Jones believes that the mean income of lawyers is now less than $65 thousand per…

Q: 4. The principal of San Miguel National High School claims that the students in her school have…

A: Given: Population mean, μ=115

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

A:

Q: If the equality term in the null hypothesis involves ≤ or ≥, then which test would be appropriate?

A:

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: 5) The managers for a fruit juice facility claim that the standard deviation for the ounces per…

A: We have to find correct hypothesis.

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: A security expert claims that more than 17% of all homeowners have a home security alarm. State H,…

A: Solution: The given claim is that more than 17% of all homeowners have a home security alarm.

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

A: Solution

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: It is a known fact that 50% of all Americans are male. A researcher wants to see if the percent of…

A:

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

A:

Q: The dean of a major university claims that the mean time for students to earn a Master's degree is…

A:

Q: Suppose that you want to perform a hypothesis test for a population mean, µ. a. Express the null…

A: Hypothesis testing:         Hypothesis testing was introduced by R.A.Fisher (Ronald Fisher).It is 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: Select which of the following null and alternative hypotheses are most appropriate for a two-sample…

A: Null Hypothesis: This implies that certain characteristics do not differ from the population. It…

Q: ​If other factors are held constant, the larger the difference between the two sample means, the…

A: We have to find given statement true or false

Q: Which of the following is not among the steps in Hypothesis Testing?

A: Here We will list the Steps for Hypothesis Test

Q: If the level of significance for a test for independency was 5% and the p-value was 0.03, what would…

A: Given,   P-value = 0.03 Level of significance = 0.05   The objective is to find the conclusion.

Q: If a p-value for your hypothesis testing about the population mean is 0.073 , and the level of…

A: p value =0.073 α=5% ∴ α =0.05

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: 4. Suppose a political candidate claims the percentage of uninsured drivers is 30 percent, but you…

A: Rule of hypothesis : Null Hypothesis contain 'less than or equal to ( <= )' , 'greater than or…

Q: The superintendent of Hospital 2 performed the Goodness of Fit Test to test whether 25% of the…

A: The given p-value for the test is 0.004.

Q: Assume that the conclusion from an  is that the null hypothesis is rejected, in other words that the…

A: According to the provided information,  the null hypothesis is rejected, in other words, that the 6…

Q: A teacher is comparing the mean study time of his freshmen and senior students. He believes that his…

A:

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: Ms. Fernandez believes that the mean income of teachers is now more than Php 45,000 per month. Which…

A: Ms. Fernandez believes that the mean income of teachers is now more than Php 45,000 per month.

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: Construct a null and alternative hypothesis for the following claims. a. "The school's mean GPA…

A: Solution: a. The given claim is “The school’s mean GPA differs from 2.50 GPA”.

Q: A local chess club claims that the length of time to play a game has a mean of 11 minutes or more.…

A: State the hypotheses. That is, the length of the time to play a game has a mean of greater than…

Q: If, in a sample of n=16 selected from a normal population, X=56 and S=12, what is the value of tSTAT…

A: GivenH0:m=50sample size(n)=16Mean(x)=56standard deviation(s)=12

Q: The dean of a major university claims that the mean number of hours students study at her University…

A: Given that, The dean of a major university claims that the mean number of hours students study at…

Q: The​ ___________ is a value used in making a decision about the null hypothesis and is found by…

A: The​ Test statistic is a value used in making a decision about the null hypothesis and is found by…

Q: (a) What are the null hypothesis H, and the alternative hypothesis H, that should be used for the…

A: The type I error is defined as the rejecting the null hypothesis when actually it is true. The type…

Q: Suppose that you want to perform a hypothesis test for a population mean, μ. a. Express the null…

A:

Q: Suppose a business person wishes to open a store in a local shopping centre only if there is strong…

A:

Q: It is a known fact that 50% of all Americans are male. A researcher wants to see if the percent of…

A: 1) Answer is true, since comparing two proportions.

Q: A weatherman stated that the average temperature during July in Baguio City is less than 20 degrees…

A: Given that A weatherman stated that the average temperature during July in Baguio City is less than…

Q: A psychologist claims that more than 5.8 percent of the population suffers from professional…

A: Alternate Hypothesis is the hypothesis claimed by the researcher   Therefore, H1: p>5.8%

Q: A coin-operated drink machine was designed to discharge a mean of 9 ounces of coffee per cup.…

A: Given: µ= 9.0 Need to define hypothesis test of given statement?

Q: A coin-operated drink machine was designed to discharge a mean of 8 ounces of coffee per cup.…

A: From the given information, the claim of the problem is the true mean discharge differs from 8. That…

Q: What are the symbols associated with the null hypothesis and alternative hypothesis below: H0: pain…

A: According to the provided information, H0: pain is independent of hair color  H1: pain is dependent…

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

A: To express the Null hypothesis and Alternative Hypothesis in notation form for the given statment…

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

A:

Q: What is the null and alternative hypothesis? These can be in words and/or symbols ( PPT

A: Given information: The SPSS output of Chi-square test for Independence is given.

Q: The results of an independent-measures research study are reported as 'p > .05'. What was the…

A: We have to give conclusion.

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