Elementary Statistics: A Step By Step Approach
9th Edition
ISBN: 9780073534985
Author: Allan Bluman
Publisher: McGraw-Hill Science/Engineering/Math
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Question
Chapter 12, Problem 3CQ
To determine
Whether the statement “When the F test value is close to 1, the null hypothesis should be rejected” is true or false.
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The P-value for hypothesis test is P = 0.082 due you reject or fail to reject H0 when the level of signinicance is a = 0.05?
A pre-med student in a statistics class has to do a statistics project. She plans to test the claim that mean body temperature is 98.6 degrees. She believes it is actually less.
1. What would her null hypothesis be?
2. What would her alternative hypothesis be?
Select the correct answer below:
We should reject the null hypothesis because t0<tα/2. So, at the 5% significance level, the data provide sufficient evidence to conclude that the average heights of soccer players is not equal to 76 inches.
We should reject the null hypothesis because t0>−tα/2. So, at the 5% significance level, the data provide sufficient evidence to conclude that the average heights of soccer players is not equal to 76 inches.
We should reject the null hypothesis because −tα/2<t0<tα/2. So, at the 5% significance level, the data do not provide sufficient evidence to conclude that the average heights of soccer players is not equal to 76 inches.
We should not reject the null hypothesis because t0>−tα/2. So, at the 5% significance level, the data do not provide sufficient evidence to conclude that the average heights of soccer players is not equal to 76 inches.
We should not reject the null hypothesis because…
Chapter 12 Solutions
Elementary Statistics: A Step By Step Approach
Ch. 12.1 - Colors That Make You Smarter The following set of...Ch. 12.1 - What test is used to compare three or more means?Ch. 12.1 - State three reasons why multiple t tests cannot be...Ch. 12.1 - What are the assumptions for ANOVA?Ch. 12.1 - Define between-group variance and within-group...Ch. 12.1 - State the hypotheses used in the ANOVA test.Ch. 12.1 - When there is no significant difference among...Ch. 12.1 - Prob. 7ECh. 12.1 - For Exercises 7 through 20, assume that all...Ch. 12.1 - For Exercises 7 through 20, assume that all...
Ch. 12.1 - For Exercises 7 through 20, assume that all...Ch. 12.1 - Prob. 11ECh. 12.1 - For Exercises 7 through 20, assume that all...Ch. 12.1 - For Exercises 7 through 20, assume that all...Ch. 12.1 - For Exercises 7 through 20, assume that all...Ch. 12.1 - Prob. 15ECh. 12.1 - For Exercises 7 through 20, assume that all...Ch. 12.1 - For Exercises 7 through 20, assume that all...Ch. 12.1 - For Exercises 7 through 20, assume that all...Ch. 12.1 - For Exercises 7 through 20, assume that all...Ch. 12.1 - For Exercises 7 through 20, assume that all...Ch. 12.2 - Colors That Make You Smarter The following set of...Ch. 12.2 - What two tests can be used to compare two means...Ch. 12.2 - Explain the difference between the two tests used...Ch. 12.2 - For Exercises 3 through 8, the null hypothesis was...Ch. 12.2 - For Exercises 3 through 8, the null hypothesis was...Ch. 12.2 - For Exercises 3 through 8, the null hypothesis was...Ch. 12.2 - For Exercises 3 through 8, the null hypothesis was...Ch. 12.2 - For Exercises 3 through 8, the null hypothesis was...Ch. 12.2 - For Exercises 3 through 8, the null hypothesis was...Ch. 12.2 - For Exercises 9 through 13, do a complete one-way...Ch. 12.2 - Prob. 10ECh. 12.2 - For Exercises 9 through 13, do a complete one-way...Ch. 12.2 - For Exercises 9 through 13, do a complete one-way...Ch. 12.2 - Prob. 13ECh. 12.3 - Automobile Sales Techniques The following outputs...Ch. 12.3 - Prob. 1ECh. 12.3 - Explain what is meant by main effects and...Ch. 12.3 - Prob. 3ECh. 12.3 - How are the F test values computed?Ch. 12.3 - Prob. 5ECh. 12.3 - In a two-way ANOVA, variable A has six levels and...Ch. 12.3 - Prob. 7ECh. 12.3 - When can the main effects for the two-way ANOVA be...Ch. 12.3 - Prob. 9ECh. 12.3 - For Exercises 9 through 15, perform these steps....Ch. 12.3 - For Exercises 9 through 15, perform these steps....Ch. 12.3 - For Exercises 9 through 15, perform these steps....Ch. 12.3 - Prob. 13ECh. 12.3 - For Exercises 9 through 15, perform these steps....Ch. 12.3 - Prob. 15ECh. 12 - If the null hypothesis is rejected in Exercises 1...Ch. 12 - Prob. 12.1.2RECh. 12 - Prob. 12.1.3RECh. 12 - Prob. 12.1.4RECh. 12 - Prob. 12.1.5RECh. 12 - If the null hypothesis is rejected in Exercises 1...Ch. 12 - Prob. 12.1.7RECh. 12 - Prob. 12.1.8RECh. 12 - Review Preparation for Statistics A statistics...Ch. 12 - Effects of Different Types of Diets A medical...Ch. 12 - Prob. 1DACh. 12 - Prob. 2DACh. 12 - Prob. 3DACh. 12 - Prob. 1CQCh. 12 - Prob. 2CQCh. 12 - Prob. 3CQCh. 12 - Determine whether each statement is true or false....Ch. 12 - Prob. 5CQCh. 12 - Prob. 6CQCh. 12 - Prob. 7CQCh. 12 - Prob. 8CQCh. 12 - Complete the following statements with the best...Ch. 12 - Prob. 10CQCh. 12 - For Exercises 11 through 17, use the traditional...Ch. 12 - Prob. 12CQCh. 12 - Prob. 13CQCh. 12 - Prob. 14CQCh. 12 - Prob. 15CQCh. 12 - Prob. 16CQCh. 12 - For Exercises 11 through 17, use the traditional...Ch. 12 - Shown here are the abstract and two tables from a...Ch. 12 - Shown here are the abstract and two tables from a...Ch. 12 - Prob. 3CTCCh. 12 - Prob. 4CTCCh. 12 - Prob. 5CTCCh. 12 - Prob. 6CTCCh. 12 - Prob. 7CTCCh. 12 - Adult Children of Alcoholics Shown here are the...Ch. 12 - Prob. 9CTCCh. 12 - Prob. 10CTCCh. 12 - Prob. 11CTC
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Similar questions
- Solve the problem. Which of the following is not one of the four steps of the hypothesis test? A)State the level of significance, choose a test, and check the conditions for the test. B)Calculate the test statistic and the p-value. C)State the null and alternative hypothesis about the population parameter. D)Make a decision to either accept the null hypothesis or accept the alternative hypothesis.arrow_forwardThe USDA limit for salmonella contamination for chicken is 20%. A meat inspector reportsthat the chicken produced by a company exceeds the USDA limit. You perform a hypothesis testto determine whether the meat inspector’s claim is true.When will a type I error occur? Explain using the above contextarrow_forwardUse the six steps of hypothesis testing to answer the following question. Remember to determine if the problem is a Z test or T test as that will influence your critical value. You believe you have discovered a topical solution that heals wounds faster. The average number of days it takes to remove stiches after surgery in all hospital patients is 12. In a sample of 29 patients the average number of days to remove stiches is 10.5 with a std dev. Of 1.2 Did your solution lessen the number of days patients had stichesarrow_forward
- Need help also fiinding: (B) has the proportion of adults who totaly abstain from alcohol changed? what is the zo= what is the p value= reject null hypothesisarrow_forwardWrite the null and alternative hypothesis. You must use statistical notation to express the hypothesisarrow_forwardA. Stayed the appropriate null and alternative hypothesis to assess whether women are taller today. b. Suppose the P value for this test is 0.16. Explain what this value represents. c.arrow_forward
- State the parameter and the null and alternative hypothesis for each scenario. Then state if the test will be a lower/left tail, upper/right tail, or two-tail test. a) A restaurant asked its customers how far they drove to eat at the restaurant and got an average of 22 miles. The owner thinks that number should be lower. b)The average amount of calories in a box of cookies is 120 calories. A person thinkgs this number should be different.arrow_forwarde) Perform the F Test making sure to state the null and alternative hypothesis.arrow_forwardB. Calculate the P-value. P-value=____ C. What is the conclusion for this hypothesis test? Reject H0. or Fail to reject H0?arrow_forward
- Please answer: D- F For letter E: The p-value is > or ≤ For Letter F: reject or fail to reject or accept the null hypothesisarrow_forwardThe P-value for a hypothesis test is shown. Use the P-value to decide whether to reject H0 when the level of significance is (a) α=0.01, (b) α=0.05, and (c) α=0.10. P=0.1054 Do you reject or fail to reject H0 at the 0.01 level of significance?arrow_forwardAlso need test statistic Determine whether to reject H0 State a conclusionarrow_forward
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