Intro Stats - Study Card
4th Edition
ISBN: 9780321826268
Author: DeVeaux
Publisher: PEARSON
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Question
Chapter 19, Problem 8E
a.
To determine
Check whether the statement is true or false.
b.
To determine
Check whether the statement is true or false.
c.
To determine
Check whether the statement is true or false.
d.
To determine
Check whether the statement is true or false.
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Using the information provided in the SPSS output. You are asked to make a decision about whether to reject the null hypothesis that the population value of gamma equals 0 (i.e., that there is no ordinary association in the population between frequency of prayer and health). If alpha = 0.05 and you use a non-directional alternative hypothesis, which of the following is true?)
A. Since the p-value is larger than alpha, you do not reject the null hypothesis
B. Since the p-value is less than alpha, you do not reject the null hypothesis
C. Since the p-value is larger than alpha, you reject the null hypothesis.
D. Since the p-value is less than alpha, you reject the null hypothesis
1.Distinguish p-value from alpha.
2. Which of the following alpha values provides the strongest evidence the reject the null hypothesis? a. 5%b. 1%c. 0.01%
3. Which approach measures the strength of the evidence against the null hypothesis, the p-value approach or the critical value approach?
In reporting the results of a statistical analysis, a researcher reports that "p = .33". This implies that ________.
a.
the alternative hypothesis was accepted with an alpha level of .05
b.
the alternative hypothesis was not accepted with an alpha level of .05
c.
the null hypothesis was not rejected with an alpha level of .05
d.
the null hypothesis was rejected with an alpha level of .05
Chapter 19 Solutions
Intro Stats - Study Card
Ch. 19.4 - 1. An experiment to test the fairness of a...Ch. 19.4 - Prob. 2JCCh. 19.4 - Prob. 3JCCh. 19.5 - Remember the bank thats sending out DVDs to try to...Ch. 19.5 - Prob. 5JCCh. 19.5 - For the bank, which situation has higher power: a...Ch. 19 - Parameters and hypotheses For each of the...Ch. 19 - Prob. 2ECh. 19 - P-values Which of the following are true? If...Ch. 19 - Prob. 4E
Ch. 19 - Prob. 5ECh. 19 - Prob. 6ECh. 19 - Prob. 7ECh. 19 - Prob. 8ECh. 19 - Prob. 9ECh. 19 - More critical values For each of the following...Ch. 19 - SECTION 16.4 11. Errors For each of the following...Ch. 19 - More errors For each of the following situations,...Ch. 19 - Prob. 13ECh. 19 - 14. Which alternative? In each of the following...Ch. 19 - CHAPTER EXERCISES 13. P-value A medical researcher...Ch. 19 - Prob. 16ECh. 19 - Alpha A researcher developing scanners to search...Ch. 19 - Prob. 18ECh. 19 - Prob. 19ECh. 19 - Significant again? A new reading program may...Ch. 19 - Prob. 21ECh. 19 - Is the Euro fair? Soon after the Euro was...Ch. 19 - 23. Approval 2011 In November 2011, Barack Obama’s...Ch. 19 - Prob. 24ECh. 19 - Prob. 25ECh. 19 - Prob. 26ECh. 19 - Prob. 27ECh. 19 - Prob. 28ECh. 19 - Prob. 29ECh. 19 - Prob. 30ECh. 19 - 31. Homeowners 2009 In 2009, the U.S. Census...Ch. 19 - Alzheimers Testing for Alzheimers disease can be a...Ch. 19 - Prob. 33ECh. 19 - Quality control Production managers on an assembly...Ch. 19 - Prob. 35ECh. 19 - 36. Production Consider again the task of the...Ch. 19 - Equal opportunity? A company is sued for job...Ch. 19 - Stop signs Highway safety engineers test new road...Ch. 19 - Prob. 39ECh. 19 - Ads A company is willing to renew its advertising...Ch. 19 - 41. Software, part II 203 students signed up for...Ch. 19 - Prob. 42ECh. 19 - Prob. 43ECh. 19 - Catheters During an angiogram, heart problems can...Ch. 19 - Prob. 45ECh. 19 - Prob. 46ECh. 19 - Prob. 47ECh. 19 - Faulty or not? You are in charge of shipping...Ch. 19 - Prob. 49ECh. 19 - Prob. 50E
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.Similar questions
- You recently completed an experiment concerning the effects of carbs on happiness. One group of 11 people are assigned a high carb diet, another group of 11 people are assigned a moderate-high carb diet, another group of 11 people are assigned a moderate-low carb diet, and a final group of 11 people are assigned a low carb diet. If I find that I fail to reject the null hypothesis, what might my next step be? Group of answer choices Change my analysis and alpha to make the finding significant and then run post-hoc tests. 1. Run multiple dependent measures t-tests to see if there are any significant differences between particular groups 2. Run multiple independent samples t-tests to see if there are any significant differences between particular groups 3. Change my hypothesis to see if I can find something significant with a different hypothesis for this study 4. Run home and binge-watch Bridgerton because there is nothing else that should be done statisticallyarrow_forwardI want to assess whether different types of movies increase viewers’ stress response. I recruit 24 individuals and randomly assign them into three groups: Frozen (a Disney kids movie), Nightmare on Elm Street (a horror movie), and Fast & Furious (an action movie). After each participant watches their assigned movie, I measure their heart rate. Test, at an alpha of 0.05, whether the type of movie affects heart rate. a. What is the null hypothesis? b. What is the alternative hypothesis? Data: Frozen DV: Heart Rate (BPM) Nightmare on Elm Street DV: Heart Rate (BPM) Fast & Furious DV: Heart Rate (BPM) 65 90 85 70 85 85 70 86 75 65 92 90 62 93 60 63 97 63 68 105 74 72 110 80arrow_forwardWhich of the following alpha values provides the strongest evidence the reject the null hypothesis? Explain your answer.a) 5% b) 1% c) 01% 2. Which approach measures the strength of the evidence against the null hypothesis, the p-value approach or the critical value approach? Explain yout answer.arrow_forward
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