Connect Hosted by ALEKS Online Access for Elementary Statistics
3rd Edition
ISBN: 9781260373769
Author: William Navidi
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 11, Problem 5WAI
To determine
Why the null hypothesis would have been rejected if it had been the only one to be tested.
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Q3. If the null hypothesis is not rejected when the null hypothesis is in error, what type of error, if any, has been made?
A hospital spokesperson states that 3% of emergency room visits by college students are for alcohol related health problem. Thus,
Ho:p equals 0.03 and
Ha:p does not equal 0.03
Descripe the Type 1 and Type 2 error that could occur for this hypothesis using words that are specific to this particular situation.
Which is the correct null hypothesis based on this statement: People with diabetes have higher systolic blood pressure than people without diabetes?
People with diabetes have lower systolic blood pressure than people without diabetes.
People with diabetes have equal systolic blood pressure when compared to people without diabetes.
People with diabetes have a systolic blood pressure equal to or lower than people without diabetes.
None of these are a null hypothesis.
Chapter 11 Solutions
Connect Hosted by ALEKS Online Access for Elementary Statistics
Ch. 11.1 - In Exercises 3 and 4, fill in each blank with the...Ch. 11.1 - Prob. 4ECh. 11.1 - Prob. 5ECh. 11.1 - Prob. 6ECh. 11.1 - A test was made of H0:1=2 versus H1:12. The sample...Ch. 11.1 - A test was made of H0:1=2 versus H1:12. The sample...Ch. 11.1 - More time on the Internet: The General Social...Ch. 11.1 - Low-fat or low-carb? Are low-fat diets or low-carb...Ch. 11.1 - Are you smarter than your older brother? In a...Ch. 11.1 - Recovering from surgery: A new postsurgical...
Ch. 11.1 - Contaminated water: The concentration of benzene...Ch. 11.1 - Exercise: Medical researchers conducted a study to...Ch. 11.1 - Mummys curse: King Tut was an ancient Egyptian...Ch. 11.1 - Baby weights: Following are weights in pounds for...Ch. 11.1 - Empathy: The Interpersonal Reactivity Index is a...Ch. 11.1 - Prob. 18ECh. 11.1 - Prob. 19ECh. 11.1 - Prob. 20ECh. 11.1 - Interpret calculator display: The following TI-84...Ch. 11.1 - Prob. 22ECh. 11.1 - Prob. 23ECh. 11.1 - Prob. 24ECh. 11.1 - Prob. 25ECh. 11.2 - In Exercises 3 and 4, fill in each blank with the...Ch. 11.2 - Prob. 4ECh. 11.2 - Prob. 5ECh. 11.2 - Prob. 6ECh. 11.2 - In a test for the difference between two...Ch. 11.2 - In a test for the difference between two...Ch. 11.2 - Childhood obesity: The National Health and...Ch. 11.2 - Pollution and altitude: In a random sample of 340...Ch. 11.2 - Preventing heart attacks: Medical researchers...Ch. 11.2 - Cholesterol: An article in the Archives of...Ch. 11.2 - Treating circulatory disease: Angioplasty is a...Ch. 11.2 - Hurricane damage: In August and September 2005,...Ch. 11.2 - Prob. 15ECh. 11.2 - Prob. 16ECh. 11.2 - Prob. 17ECh. 11.2 - Interpret calculator display: The following TI-84...Ch. 11.2 - Prob. 19ECh. 11.2 - Prob. 20ECh. 11.2 - Prob. 21ECh. 11.3 - In Exercises 3 and 4, fill in each blank with the...Ch. 11.3 - In Exercises 3 and 4, fill in each blank with the...Ch. 11.3 - Prob. 5ECh. 11.3 - Prob. 6ECh. 11.3 - Prob. 7ECh. 11.3 - Prob. 8ECh. 11.3 - Crossover trial: A crossover trial is a type of...Ch. 11.3 - Comparing scales: In an experiment to determine...Ch. 11.3 - Strength of concrete: The compressive strength. in...Ch. 11.3 - Truck pollution: In an experiment to determine the...Ch. 11.3 - Growth spurt: It is generally known that boys grow...Ch. 11.3 - Prob. 14ECh. 11.3 - Prob. 15ECh. 11.3 - Interpret calculator display: The following TI-84...Ch. 11.3 - Interpret computer output: The following MINITAB...Ch. 11.3 - Prob. 18ECh. 11.3 - Prob. 19ECh. 11.4 - In Exercises 5 and 6, fill in each blank with the...Ch. 11.4 - Prob. 6ECh. 11.4 - Prob. 7ECh. 11.4 - Prob. 8ECh. 11.4 - Find the critical value f0.05 for F7,20.Ch. 11.4 - Prob. 10ECh. 11.4 - An F-test with 12 degrees of freedom in the...Ch. 11.4 - Prob. 12ECh. 11.4 - Sugar content: A broth used to manufacture a...Ch. 11.4 - Hockey sticks: The breaking strength of hockey...Ch. 11.4 - Prob. 15ECh. 11.4 - Are you smarter than your older brother? In a...Ch. 11.4 - Prob. 17ECh. 11.5 - In Exercises 3 and 4, fill in each blank with the...Ch. 11.5 - Prob. 4ECh. 11.5 - Prob. 5ECh. 11.5 - Prob. 6ECh. 11.5 - Prob. 7ECh. 11.5 - Prob. 8ECh. 11.5 - Prob. 9ECh. 11.5 - Prob. 10ECh. 11.5 - Prob. 11ECh. 11.5 - Prob. 12ECh. 11.5 - Prob. 13ECh. 11 - Prob. 1CQCh. 11 - Prob. 2CQCh. 11 - Prob. 3CQCh. 11 - Prob. 4CQCh. 11 - Prob. 5CQCh. 11 - Prob. 6CQCh. 11 - Prob. 7CQCh. 11 - Prob. 8CQCh. 11 - Prob. 9CQCh. 11 - Prob. 10CQCh. 11 - Prob. 11CQCh. 11 - Prob. 12CQCh. 11 - Prob. 13CQCh. 11 - Refer to Exercise 12. Can you reject H0 at the...Ch. 11 - Prob. 15CQCh. 11 - Prob. 1RECh. 11 - Prob. 2RECh. 11 - Prob. 3RECh. 11 - Prob. 4RECh. 11 - Prob. 5RECh. 11 - Prob. 6RECh. 11 - Prob. 7RECh. 11 - Prob. 8RECh. 11 - Prob. 9RECh. 11 - Prob. 10RECh. 11 - Prob. 11RECh. 11 - Prob. 12RECh. 11 - Prob. 13RECh. 11 - Prob. 14RECh. 11 - Prob. 15RECh. 11 - Prob. 1WAICh. 11 - Prob. 2WAICh. 11 - Describe the differences between performing a...Ch. 11 - Prob. 4WAICh. 11 - Prob. 5WAICh. 11 - Prob. 1CSCh. 11 - Prob. 2CSCh. 11 - Prob. 3CSCh. 11 - Prob. 4CS
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- A binomial experiment is UDC in which there are exactly __________ outcome. One outcome is called __________ , and the other is called ___________.arrow_forwardWhenever the null hypothesis is not rejected, the alternative hypothesis a. is also not rejected. b. is rejected. c. must be revised. d. replaces the null hypothesis.arrow_forwardCan you state the null hypothesis H0 and the alternative hypothesis H1? .arrow_forward
- If you are not able to prove the alternative hypothesis, this means the null hypothesis is correct. Select one: True Falsearrow_forwardIn most experiments, researchers would prefer to fail to reject the null hypothesis. Is this statement True or False?arrow_forwardIf the conclusion in a hypothesis test is to fail to reject H0H0, we can conclude that there is strong evidence that the null hypothesis is true.arrow_forward
- f our null hypothesis is H0: ? = 40, what are the three possiblealternative hypotheses?arrow_forwardIf your claim is in the alternative hypothesis and you fail to reject the null hypothesis, then your conclusion would be:arrow_forwardWhen a new drug is created, the pharmaceutical company must subject it to testing before receiving permission from the FDA to market the drug. Supposed the null hypothesis is "the drug is unsafe". What is a Type I error in this scenario? Group of answer choices Not to conclude the drug is unsafe. To conclude the drug is safe. To conclude the drug is safe when in fact it is unsafe. Not to conclude the drug is safe when in fact it is safearrow_forward
- Which of the following is not a correct way to state a null hypothesis? A Ho:P1- P2= o B Ho: H1 - H2 =0 C Ho: H=0 D Ho: p=0.5arrow_forwardIt is believed that positive, self-affirming statements can lead to greater academic success on high- stakes assessments. In a recent study, 120 advanced algebra students were randomly assigned to two groups. One group was instructed how to write and recite daily positive self-affirmations while the other group did not do any affirmations. After one semester, all 120 students took the same algebra examination. Which of the following would be appropriate hypotheses for this study? (A) Ho: M₁ = ₂ and Ha: ₁ ₂, where ₁ = mean score for those who used affirmations and U₂ = mean score for those who don't use affirmations. (D) Ho: H1 H2 and Ha: ₁ = µ2, where μ, mean score for those who used affirmations and μ₂ = mean score for those who don't use affirmations. (E) Ho: H₁ H₂ and Ha: 1 = P2, where μ, mean score for those who used affirmations and U₂ = mean score for those who don't use affirmations.arrow_forwardA type I error O A. arises when the false null hypothesis is not rejected. O B. is the rejection of a true null hypothesis. O C. arises when the true null hypothesis is not rejected. D. is the rejection of a false null hypothesis.arrow_forward
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