| HLT 362 Q3 |
The null hypothesis ____. The numerator of the z-score test statistic measures ____. The critical region for a hypothesis test consists of ____. If the sample data produce a test statistic (z-score) that is in the critical region, then which of the follo |
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| HLT 362 Q4 |
For an experiment comparing more than two treatment conditions you should use analysis of vari-ance rather than separate t tests because ____
The null hypothesis for an ANOVA states that ____. |
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| HLT 362 Q5 |
The Pearson correlation measures ____. A scatter plot shows a set of data points that are clustered close to a line that slopes down to the right.
Which of the following values would be closest to the correlation for these data? The results from a resea |
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| HLT 362 T1 |
A test of significance can be based on a sample of convenience. A utility company serves 50,000 households. As part of a survey of customer attitudes, they take a simple random sample of 800 of these households. The average number of television sets in th |
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| HLT 362 Week 1 |
HLT 362 Week 1
Assignments
Module 1 Descriptive Statistics Excel Worksheet
A formula for the sample mean is
A formula for the sample variance is
A formula for the sample standard deviation is
A computational formula for the sample variance is
For |
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| HLT 362 Week 1 DQs |
HLT 362 Week 1 DQs
How could graphics and/or statistics be used to misrepresent data? Where have you seen this done?
What are the characteristics of a population for which a mean/median/mode would be appropriate? Inappropriate? |
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| HLT 362 Week 1 Module 1 Descriptive Statistics |
HLT 362 Week 1 Module 1 Descriptive Statistics
Module 1 Descriptive Statistics Excel Worksheet
A formula for the sample mean is
A formula for the sample variance is
A formula for the sample standard deviation is
A computational formula for the samp |
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| HLT 362 Week 1 Module 1 Exercise 16 |
HLT 362 Week 1 Module 1 Exercise 16
Module 1 Exercise 16
The researchers analyzed the data they collected as though it were at what level of measurement? (Your choices are: Nominal, Ordinal, Interval/ratio, or Experimental)
What was the mean posttest |
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| HLT 362 Week 2 |
HLT 362 Week 2
Assignments
Module 2 Exercise 29
Were the groups in this study independent or dependent? Provide a rationale for your answer.
t –3.15 describes the difference between women and men for what variable in this study? Is this value signif |
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| HLT 362 Week 2 DQs |
HLT 362 Week 2 DQs
Explain the importance of random sampling. What problems/limitations could prevent a truly random sampling and how can they be prevented?
How large would your population have to be for a sample to be appropriate (i.e., rather than m |
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| HLT 362 Week 2 Module 2 Exercise 29 |
HLT 362 Week 2 Module 2 Exercise 29 |
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| HLT 362 Week 2 Module 2 Population Sampling Distribution |
HLT 362 Week 2 Module 2 Population Sampling Distribution |
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| HLT 362 Week 3 |
HLT 362 Week 3
Assignments
Module 3 Exercise 31
What are the two groups whose results are reflected by the t ratios in Tables 2 and 3?
Which t ratio in Table 2 represents the greatest relative or standardized difference between the pretest and 3 mon |
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| HLT 362 Week 3 DQs |
HLT 362 Week 3 DQs
Suppose you hear an “old-timer” say, “Why, in my day, kids were much more respectful and didn’t cause as much trouble as they do nowadays!” Formulate a hypothesis related to this statement that you could test. How would you test it?
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| HLT 362 Week 3 Module 3 Exercise 31 |
HLT 362 Week 3 Module 3 Exercise 31
Module 3 Exercise 31
What are the two groups whose results are reflected by the t ratios in Tables 2 and 3?
Which t ratio in Table 2 represents the greatest relative or standardized difference between the pretest a |
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