A politician believes that 60% of constituents are in favor of a particular issue. She takes a sample of 100 constituents and finds that 55 favor the issue. If you were to conduct a hypothesis test of this claim, what would be the decision rule?

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: Problems pertain to the P-value approach to hypothesis testing. How is the P-value of a hypothesis…

A: P-value:P-value is the probability of obtaining the test statistic value that is more extreme than…

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: A research reports describing the results from a repeated measures T test states:t (22) = 1.71, p<…

A: According to the provided information, t (22) = 1.71 degrees of freedom = n-1 According to the above…

Q: how many of the 100 tests would you expect to reject the null just by chance,

A: HERE FROM GIVEN INFORMATION , significance level  = 5%

Q: What are the two kids of errors we can make in hypothesis testing?

A: The two kinds of errors are 1)Type 1  2)Type 2  Type 1 Error: It is referred as False Positives. It…

Q: State the general steps of the P-value approach to hypothesis testing.

A:

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: Since the latest Axios poll said that 44% of Americans said that kneeling was appropriate, we will…

A: After asking the 50 people , Lets assume : Number of people who said kneeling during national anthem…

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: In the one-sample z-test, the null hypothesis states that:

A: Null hypothesis and alternative hypothesis is denoted by H0 and Ha.

Q: ool board wants to determine the proportion of people who plan on voting for the school levy in the…

A: Given: n= 150 p=0.50 = 50%

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

A:

Q: What do we try to do in hypothesis testing? Briefly discuss.

A: Testing consists of null hypothesis (H0) and alternative hypothesis (H1)

Q: In a survey, 41% of the respondents stated that they talk to their pets on the telephone. A…

A: It is given that, p0 is 0.41, the sample size n is 210.

Q: Traditionally in hypothesis testing, the null hypothesis represents the "status quo" which will be…

A: Null hypothesis The hypothesis which are under the test. Alternative hypothesis The hypothesis which…

Q: When do we use alpha and beta in hypothesis testing?

A: Basics: Alpha is the probability of  making  Type I error in hypothesis test . i.e incorrectly…

Q: What is the formula for a 2-sample hypothesis test?

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

A: Solution: 4. From the given information, ZSTAT = –0.45 and the test is two-tailed.

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

A: Here We will list the Steps for Hypothesis Test

Q: L12Q2.The average scores of students in the final exam in two neighboring colleges are equal. If a…

A: Testing of hypothesis is a rule which, when the sample values have been obtained, leads to a…

Q: Which is the null hypothesis?

A: Test is that whether there is a significant relationship between a person's age and the number of…

Q: A dog enthusiast wanted to see if there was a difference in pit-bull ownership between people in…

A: Given Information :  A dog enthusiast obtained a list of registered dog owners from the city of…

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: What is step 5 of hypothesis testing ?

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

Q: If you make a Type 1 decision error in your hypothesis test, what has happened?

A: Type 1 error happen when  rejecting null hypothesis when it is true

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: If you make a Type I decision error in your hypothesis test, what has happened?…

A:

Q: Briefly discuss the five steps in the hypothesis testing procedure.

A: 5 steps for the hypothesis testing procedure is given by

Q: health provider saw that 48% of their members received their flu shot in recent years. The health…

A: Hypothesis testing plays a major role in research and development. To diagnose the underlying cause…

Q: If you use a 0.10 level of significance in a two-tail hypothesis test, what is your decision rule,…

A: level of significance  = 0.10 Two-tail hypothesis test

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: Define the Goal of hypothesis testing?

A: A statistical hypothesis is an assumption about a population parameter. Hypothesis testing refers to…

Q: An ice cream company is interested to see if the proportion of people in this town who like…

A: Solution: It is given that 50% of people nationally choose chocolate as their favorite ice cream…

Q: 3. Today, in a random sample of 30 people, Trump received an approval rating of 30% world- wide. On…

A:

Q: In this exercise, we are conducting many hypothesis tests to test a claim. Assume that the null…

A:

Q: A national magazine stated that at most, 18% of millennials have a sports club membership. Formulate…

A: One sample t test is used to test whether the sample mean is came from the population or not. The…

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: What is the purpose of a hypothesis test?

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

Q: If the level of significance in a hypothesis test is 1 %, what would the p-value have to be for…

A: We fail to reject the null hypothesis when the p value is greater than the significance level. We…

Q: How do you determine whether or not the paired t test is appropriate for a two-sample hypothesis?

A:

Q: The smaller the observed p-value, the more evidence you have against the null hypothesis. Select…

A:

Q: Traditionally in hypothesis testing, the null hypothesis represents the "status quo" which will be…

A: Traditionally in hypothesis testing, the null hypothesis represents the "status quo" which will be…

Q: What does it mean for the results of a hypothesis test to be statistically significant?

A: f we reject the null hypothesis it mean our hypothesis test to be statistically significant.

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: Marco conducts a hypothesis test and calculates that his sample results have a p-value of .052, what…

A: Let us assume that level of significance, α=0.05 Given, p-value =0.052

Q: If I calculate a z test statistic of 4.84, and my α=0.05, what decision should I make about the…

A: Given that  Z-test statistic = 4.84 Level of significance (α) = 0.05 It is two tailed test .…

Q: Give introduction to Hypothesis Testing?

A:

Q: Give Steps of hypothesis testing ?

A: Given: Hypothesis-testing:

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.