Statistics: Variance and Answer
* Question 1
0 out of 2.5 points | | | The least effective way to determine random numbers is toAnswer | | | | | Selected Answer: | use the "pseudo random numbers" produced by the special equations in computers. | | | | | * Question 2
0 out of 2.5 points | | | The items below are based on the following scenario.
In a third world country, 100 randomly selected people were surveyed about their socioeconomic class and religious affiliation. The results and an excerpt from the results section of this fictional study follow.
Observed (and Expected) Frequencies
(NOTE: Expected frequencies are in parentheses.)
Excerpt: "Based on a chi-square test for independence, the working class differed from the middle class in the distribution of religious identification, χ2(4, N = 100) = 11.73, p < .05."
Of the total population, the percentage of agnostics, atheists, and others wasAnswer | | | | | Selected Answer: | (8 + 7 + 4)/34 = 56%. | | | | | * Question 3
2.5 out of 2.5 points | | | The items below are based on the following scenario.
A study explored the relation between whether a person had or had not sought psychological counseling and the person's profession. The results and an excerpt from the results section of this fictional study follow.
Observed (and Expected) Frequencies
(NOTE: Expected frequencies are in parentheses.)
Excerpt: "A chi-square test for independence was conducted to explore the relationship between whether a person had or had not sought psychological counseling and the person's profession (lawyer, car dealer, postal worker, high school teacher, or college professor.) A significant relationship was found, χ2(4, N = 100) = 11.1, p < .05, such that.…"
The phi coefficient for this study isAnswer | | | | | Selected Answer: | = .33. | | | | | * Question 4
0 out of 2.5 points | | | The items below are based on the following
0 out of 2.5 points | | | The least effective way to determine random numbers is toAnswer | | | | | Selected Answer: | use the "pseudo random numbers" produced by the special equations in computers. | | | | | * Question 2
0 out of 2.5 points | | | The items below are based on the following scenario.
In a third world country, 100 randomly selected people were surveyed about their socioeconomic class and religious affiliation. The results and an excerpt from the results section of this fictional study follow.
Observed (and Expected) Frequencies
(NOTE: Expected frequencies are in parentheses.)
Excerpt: "Based on a chi-square test for independence, the working class differed from the middle class in the distribution of religious identification, χ2(4, N = 100) = 11.73, p < .05."
Of the total population, the percentage of agnostics, atheists, and others wasAnswer | | | | | Selected Answer: | (8 + 7 + 4)/34 = 56%. | | | | | * Question 3
2.5 out of 2.5 points | | | The items below are based on the following scenario.
A study explored the relation between whether a person had or had not sought psychological counseling and the person's profession. The results and an excerpt from the results section of this fictional study follow.
Observed (and Expected) Frequencies
(NOTE: Expected frequencies are in parentheses.)
Excerpt: "A chi-square test for independence was conducted to explore the relationship between whether a person had or had not sought psychological counseling and the person's profession (lawyer, car dealer, postal worker, high school teacher, or college professor.) A significant relationship was found, χ2(4, N = 100) = 11.1, p < .05, such that.…"
The phi coefficient for this study isAnswer | | | | | Selected Answer: | = .33. | | | | | * Question 4
0 out of 2.5 points | | | The items below are based on the following