Hypothesis Testing (P-Value Approach) Determine the following:Given:Computed value = 1.96Level of significance = 0.011. p value = ?2. Decision ?

Given Information: The value of the test statistic is 1.96 Significance level α=0.01

Answered: Determine Given: the following:…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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K Describe type I and type II errors for a hypothesis test of the indicated claim. A furniture store claims that at least 75% of its new customers will return to buy their next piece of furniture. Describe the type I error. Choose the correct answer below. OA. A type I error will occur when the actual proportion of new customers who return piece furniture is no more than 0.75, but you reject Ho: ps 0.75. OB. A type I error will occur when the actual proportion of new customers who return. piece of furniture is at least 0.75, but you reject Ho: p20.75. buy their next buy their next OC. A type I error will occur when the actual proportion of new customers who return to buy their next piece furniture is at least 0.75, but you fail to reject Ho: p20.75. OD. A type I error will occur when the actual proportion of new customers who return buy their next piece of furniture is no more than 0.75, but you fail to reject Ho: p≤0.75. Describe the type Il error. Choose the correct answer below. OA.…
What is the equation for computing the degrees of freedom (df) for a hypothesis test of independence of categorical data? O df = (number of rows + 1) (number of columns + 1) df = (number of rows) (number of columns) df = (number of rows - 1) (number of columns - 1) O df = n - 1
Hypothesis Test Requirements For all questions involving a hypothesis test, be sure to include all the required steps: 1. State the null (Ho) and alternative (H or HA) hypotheses and identify the claim. 2. Using the sample data, compute the test statistic. 3. Using the level of significance, calculate the critical value. 4. Compute the p-value. 5. Using the test statistic and critical, make a decision: Reject Ho or Fail to reject Ho. Using the p-value and level of significance, make a decision: Reject Ho or Fail to reject Ho. 6. Interpret the results in the context of the original problem. Decision: Reject Ho Decision: Fail to reject Ho Claim: "There is sufficient evidence to warrant rejection of the claim that (original claim)." "There is not sufficient evidence to warrant rejection of the claim that .... (original claim). Ho www Claim: "The sample data support the claim that ... (original claim)." "There is not sufficient sample evidence to support the claim that (original claim). Ha
Describe the four possible outcomes when conducting a hypothesis test.
True or false A type I error is defined as rejecting the null hypothesis when the null hypothesis is false
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Using the P-value method decide if you should reject the null hypothesis or not. In a sample of 81 adults selected randomly from one town, it is found that 8 of them have been exposed to a particular strain of the flu. At the 0.01 level of significance, you wish to test the proportion of all adults in the town that have been exposed to this strain of the flu is 8%
Using the P-value method decide if you should reject the null hypothesis or not. In a sample of 81 adults selected from one town, it is found that 8 of them have been exposed to a particular strain of the flu. At 0.01 level of significance, you wish to test the claim that the proportion of all adults in the town that have been exposed to this strain of the flu is 8%.
Distinguish One-Sample Tests of Hypothesis from Two-Sample Tests of Hypothesis
Hypothesis Test: Perform the specified hypothesis test. Be sure to include your statistical andin-context conclusion statements. In 1994, 52% of parents with children in high school felt it was a serious problem that high schoolstudents were not being taught enough math and science. A recent survey found that 512 of 1000 parentswith children in high school felt it was a serious problem that high school students were not being taughtenough math and science. Do parents feel different today than they did in 1994? Use the α = 0.005significance level.
Quesiton 43
* Question Completion Status: Assume you are conducting a hypothesis test to determine if pesticides cause cancer in rural areas. The hypotheses are: The null hypothesis is no cancer. The alternate hypothesis is cancer. Select if the result for Box C is correct, a Type I error, a Type II error or if there is insufficient information to make the decision. *****Read the labels very carefully. Ho: no cancer Ha: cancer Reality: Reality: Null is true Alternate is true (i.e. no cancer) (i.e. cancer) Decision: Accept the null hypothesis (i.e. test is negative for A cancer) Decision:

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Determine Given: the following: Computed value = 1.96 Level of significance = 0.01 1. p value = ? 2. Decision?