Risk manager wants to know if VaR violations of the risk model are independent, and ask you to backtest. Your team has calculated hit sequence and got you the following counts. Conduct the appropriate hypothesis testing. What is your null hypothesis? What is your test statistic? What is your conclusion?   P 1% T0 242 T1 10 T00 230 T01 10 T10 10 T11 1

Q: Write the statistical hypotheses.

A: The information provided in the question are as follows : The researcher wants to test whether there…

Q: Identify the type I error and the type II error that correspond to the given hypothesis. The…

A: Type I error: The type I error occurs when rejecting the null hypothesis when it is true. It is…

Q: A manager decided that if more than 80% of users are classified as potential buyers, they will…

A: Given that, Percentage of users who are potential users (p) = 80% = 0.80 Explain how would work the…

Q: Use excel to obtain the test statistic and p-value. Make a decision about the null using the p-value…

A: The data set for the sleep and no sleep group,SleepNo sleep14813986913117109910131212811111491312The…

Q: college students average about 7 hours of sleep per night. You believe this number is incorrect and…

A: Statistical hypothesis testing is an important method in inferential statistics. It is used to test…

Q: test using the 0.05 significance level. What is the decision rule? Multiple Choice Reject Ho if the…

A:

Q: Example 2 A machine is set to produce bolts with a mean length of 1.00 inches. Bolts that are…

A:

Q: Test the claim that the proportion of people who own cats is smaller than 60% at the 0.025…

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Q: Perform the following hypothesis test of a proportion: HO: p = 0.125 HA: p 0.125 The sample…

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Q: You are a research assistant at a zoo.  The question of your study is "Has the proportion of baby…

A: The obtained z-score is 1.89.

Q: researcher selects a sample and administers treatment for anxiety to the individuals in the sample.…

A: We he to find correct answer for  the null hypothesis (H0) put forth about the treatment...

Q: Еxample 3 It is known that the average daily hospital room charge in the US is $687. A random sample…

A:

Q: James is a school psychologist who wants to implement stress coping skills to help his students. His…

A: Here the direction of the test is to the left.

Q: Getting enough sleep. 400 students were randomly sampled from a large university, and 289 said they…

A: The objective is to conduct a  hypothesis test  at 0.01 % L.O.S .

Q: Remember that internal validity is the extent to which a study allows you to infer causation. Below…

A: qualitative intervention Experimental  Cross-sectional study Case-control study

Q: he critical values for a (two sided) hypothesis test at the 90% level are: Group of answer choices…

A:

Q: Risk manager wants to know if VaR violations of the risk model are independent, and ask you to…

A: Given ,  data P=1% T0=242  T1=10  T00=230  T01=10  T10=10  T11=1

Q: (b) What is the test statistic? (Round your answer to 3 decimal places, if needed.) (c) Using the…

A: Followings are the Explanation of the question Use the two-sample independent t test assuming the…

Q: Thumbs-up is a popular and new soft drink company in India.  The company wants to test the market…

A: The known values are The sample proportion is, Null and alternative hypothesis: Significance…

Q: Determine the first step of hypothesis​ testing, and explain the procedure and logic of this step.…

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

Q: 1. How to know which statistical test to use for hypothesis testing? Explain.

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

Q: What is the result of the hypothesis test? the null hypothesis because the P-value is Reject Do not…

A: Given information:

Q: researcher ran an analysis to understand if corporate culture was related to business revenue. He…

A:

Q: For the chi-square test of independence, how the hypothesis is formulated, and what are the expected…

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Q: reject the null hypothesis in favor of an alternative hypothesis at the 5% level of significance.…

A: It is known that if the p-value is less than the level of significance, the null hypothesis gets…

Q: Hypothesis testing: For the following exercise, answer each question. State the null and alternate…

A:

Q: Identify the test statistic. -Identify the​ P-value.

A:

Q: If you reject the null hypothesis at the 5% significance level, would you reject it at the 7% level?

A: It is given that we reject the null hypothesis at 5% significance level.

Q: You perform a significance test and get a P-value of 0.04.  Which of the following can you conclude?…

A: You perform a significance test and get a P-value of 0.04.  Here we use the P value concept of…

Q: Use the random sample data to test the claim that more than 14% of California residents buy…

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Q: describe the steps in the process of statistical hypothesis testing.  When stating the conclusion,…

A: The steps for testing the hypothesis are First we need to set the null and alternative hypothesis…

Q: Suppose you want to test the claim that a population mean equals 38.  State the null hypothesis.

A: Given that, Claim: population mean equals 38.

Q: You are a research assistant at a zoo.  The question of your study is "Has the proportion of baby…

A: Given: The Z - score is equal to 0.788 α = 0.05   The objective is to validate the asserted claim…

Q: When would you use a chi-square test?   In hypothesis testing, when would you use a one-sample…

A: A chi-square test for independence of attributes is used when the variables are qualitative in…

Q: • Employees from Company A and Company B both receive annual bonuses. What information would you…

A: Null and Alternate Hypothesis: H0: μA- μB=100HA:  μA- μB>100     We will need: Sample size A =nA…

Q: Explain what a p-value represents. Explain what the significance level for a hypothesis test, a,…

A: Solution-: We want to explain the following (a) What a p-value represents. (b) What the significance…

Q: use a hypothesis test to determine if the proportions are statistically different. A recent survey…

A:

Q: This procedure enables us to decide with the statistical hypothesis.

A: Here use basic definition of all given term

Q: Consider a drug that is used to help prevent blood clots in certain patients. In clinical trials,…

A: Givenn=5761x=162p^=xn=1625761=0.0281α=0.10

Q: Brown wants to conduct an assessment of where employees live and how employees work. Brown wanted to…

A: Here we have two variables : " where employees live" and "how employees work"   The probable answer…

Q: Suppose the Humane Society claims that 30% of U.S. households own cats. You believe your community…

A: Given that: Population proportion, p=0.30 Sample proportion, p^=0.38 Sample size, n=300 Significance…

Q: In your sample, there are two groups of people: those who have a high school degree and those who…

A: Group 1 : Education (High school) Sample size(n1) = 361 Mean (x̅1) = 19500 Standard deviation(S1) =…

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.