soomo questions

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Southern New Hampshire University *

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H5644

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Psychology

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Feb 20, 2024

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Module 6 Soomo PSY 260 Southern New Hampshire University Chapter 6 Soomo Questions and Answers and the Chi-Square Quiz 6.1 A Chi-Squared test can only be used for data measured on a nominal scale. False Why should researchers carefully consider using chi-square test for data that are measured on an interval or ratio scale? Nonparametric tests are more likely to result in Type II errors than parametric tests. 6.2 What are observed frequencies? Observed frequencies are the counts of a particular phenomenon or entity in the actual sample data. What are expected frequencies? Expected frequencies are a set of numbers that suggest what the observed frequencies should be in the available categories if the null is correct.

In which case might a chi-squared goodness-of-fit test be a reasonable choice for a researcher? When they want to determine whether a particular brand outsells others at a local retail store. 6.4 What is the correct way to interpret the significance of chi-square test? By having a p-value less than or equal to .05 6.5- What type of table is shown above? A 2 × 2 contingency table What can be gathered from the data in the table? Adults have fewer nightmares than children. 6.6-

The contingency table below shows data about a group of college graduates. Calculate the expected frequency of the number of graduates who attended summer class and graduated in 4 years. 1.5 6.7 The study outlined in the “What is Beautiful is Good” box found that males were helpful more often than they were unhelpful when a physically attractive female was in need of assistance. Equally helpful or unhelpful 6.8 After completing a chi-square analysis and determining that an effect is present in some data, why might a researcher be interested in studying the residuals from the contingency table? To better understand relationships in the data 6.9 Which of the following assumptions is not required to conduct a chi-square analysis? Population assumptions such as normality and homogeneity of variance

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