Question 1

To use the Kruskal-Wallis test, your study must have  ________factors) with at least _________________ conditions.

Accepted Answer

A) 1; 3 
B) 1; 2 
C) 2; 3 
D) 2; 2 
A) 1; 3 
B) 1; 2 
C) 2; 3 
D) 2; 2

Question 2

A significant one-way $\chi^{2}$ indicates the

Accepted Answer

A) sample data are likely to represent two variables that are independent in the population. 
B) sample data are unlikely to represent two variables that are independent in the population. 
C) data fit the distribution of frequencies represented by $H_{0}$ . 
D) data do not fit the distribution of frequencies represented by $H_{0}$ . 
A) sample data are likely to represent two variables that are independent in the population. 
B) sample data are unlikely to represent two variables that are independent in the population. 
C) data fit the distribution of frequencies represented by $H_{0}$ . 
D) data do not fit the distribution of frequencies represented by $H_{0}$ .

Question 3

In the context of , expected frequency is the frequency we $\chi^{2}$

Accepted Answer

A) expect in a category if the sample data represent the distribution of frequencies in the population described by $H_{0}$ . 
B) observe in a category of sample data. 
C) expect in a category if the sample data represent the distribution of frequencies in the population described by $H_{a}$ . 
D) expect in a category of sample data if the experiment is repeated. 
A) expect in a category if the sample data represent the distribution of frequencies in the population described by $H_{0}$ . 
B) observe in a category of sample data. 
C) expect in a category if the sample data represent the distribution of frequencies in the population described by $H_{a}$ . 
D) expect in a category of sample data if the experiment is repeated.

Question 4

The board of trustees of a small college demanded a more diverse student body.Most of the college's minority students came from a large metropolitan area.The admissions staff asked graduates outside this area and outside the state to help with recruiting.In addition, some money was spent on media advertising.To assess the effect of this campaign, the current year's requests for applications were classified as Large Metropolitan Area 565), Rest of State 410), and Out of State 216).An analysis of addresses over previous years showed Large Metropolitan Area, 51%; Rest of State, 40%; and Out of State, 9%.What statistic should be used to analyze these data?

Accepted Answer

The @#LAT-DLM& for g

Question 5

Nonparametric procedures are usually not our first choice among statistical procedures because

Accepted Answer

A) the probability of making a Type I error is too high. 
B) the probability of making a Type II error is too high. 
C) nonparametric procedures are not inferential statistics. 
D) they are less powerful than parametric procedures. 
A) the probability of making a Type I error is too high. 
B) the probability of making a Type II error is too high. 
C) nonparametric procedures are not inferential statistics. 
D) they are less powerful than parametric procedures.

Question 6

A researcher wanted to know which type of toy 3-year-olds like to play with.The researcher placed a tricycle, blocks, a train set, and puzzles in a room and observed how many of 20 children played with each type of toy.What is the k value for this study?

Accepted Answer

The answer of A researcher wanted to know which type...

Question 7

Suppose a researcher investigates how many parents versus non-parents get less than or at least 8 hours of sleep per night and finds the following results.What would the expected frequency be for parents who get 8 or more hours of sleep per night? $\begin{array}{|c|c|c|}
\hline & \begin{array}{c}
\text { Less } \
\text { than 8 } \
\text { hours }
\end{array} & \begin{array}{c}
\text { 8+ } \
\text { hours }
\end{array} \
\hline \text { Parents } & 16 & 9 \
\hline \text { Non-Parents } & 12 & 19 \
\hline
\end{array}$

Accepted Answer

@#LAT-DLM& = Cell's row total observed f

Question 8

When $H_{0}$ is perfectly true, $\chi_{a b t}^{2}$ should equal

Accepted Answer

A) 0. 
B) 1. 
C) -1. 
D) .05. 
A) 0. 
B) 1. 
C) -1. 
D) .05.

Question 9

If you're conducting a one-way chi-square for a study with 200 participants and 4 categories, what would the expected frequency be for a given category?

Accepted Answer

The answer of If you're conducting a one-way chi-square for...

Question 10

Assume you have conducted a one-way $H_{0}$ in which the $H_{0}$ says the frequencies in the categories are equal.If the $\chi^{2}$ was not significant, the appropriate conclusion is

Accepted Answer

A) other models of $H_{0}$ need to be tested. 
B) we expect the population of interest is distributed among the categories to the same degree as the sample. 
C) there is insufficient evidence to conclude the frequencies in the sample categories are different. 
D) the population of interest is distributed equally among the categories. 
A) other models of $H_{0}$ need to be tested. 
B) we expect the population of interest is distributed among the categories to the same degree as the sample. 
C) there is insufficient evidence to conclude the frequencies in the sample categories are different. 
D) the population of interest is distributed equally among the categories.

Question 11

In a one-way chi-square test, the null hypothesis states the observed frequencies do not equal the expected frequencies because

Accepted Answer

A) the data do not meet the assumptions of the test. 
B) the data represent a population distribution other than the expected one. 
C) of design insufficiencies. 
D) of sampling error. 
A) the data do not meet the assumptions of the test. 
B) the data represent a population distribution other than the expected one. 
C) of design insufficiencies. 
D) of sampling error.

Question 12

The larger the , $\chi^{2}$

Accepted Answer

A) the less likely our data represent $H_{a}$ . 
B) the larger the differences between the expected frequencies. 
C) the less likely our data represent the model. 
D) the more likely our data represent the model. 
A) the less likely our data represent $H_{a}$ . 
B) the larger the differences between the expected frequencies. 
C) the less likely our data represent the model. 
D) the more likely our data represent the model.

Question 13

A researcher takes a poll of people in his state.He asks each person if he or she has any pets Yes or No) and to state his or her political party affiliation Republican, Democrat, or Other).What are the degrees of freedom?

Accepted Answer

df = 2 - 1

Question 14

A research study asks participants to indicate their level of happiness on a standard 5-point Likert-type scale.What are the degrees of freedom?

Accepted Answer

The answer of A research study asks participants to indicate...

Question 15

A soft drink company claims 3 out of 4 people prefer the taste of their cola Brand A) over their competitor Brand B).You conduct a taste test and find 63 people indicated they preferred Brand
A.The remaining 38 people said they preferred Brand
B.For a one-way chi-square test, what is $\chi_{o b t}^{2}$

Accepted Answer

The answer of A soft drink company claims 3 out...

To use the Kruskal-Wallis test, your study must have factors) with at least _________ conditions.

A significant one-way $\chi^{2}$ indicates the

In the context of , expected frequency is the frequency we $\chi^{2}$

Nonparametric procedures are usually not our first choice among statistical procedures because

A researcher wanted to know which type of toy 3-year-olds like to play with.The researcher placed a tricycle, blocks, a train set, and puzzles in a room and observed how many of 20 children played with each type of toy.What is the k value for this study?

When $H_{0}$ is perfectly true, $\chi_{a b t}^{2}$ should equal

If you're conducting a one-way chi-square for a study with 200 participants and 4 categories, what would the expected frequency be for a given category?

Assume you have conducted a one-way $H_{0}$ in which the $H_{0}$ says the frequencies in the categories are equal.If the $\chi^{2}$ was not significant, the appropriate conclusion is

In a one-way chi-square test, the null hypothesis states the observed frequencies do not equal the expected frequencies because

The larger the , $\chi^{2}$

A researcher takes a poll of people in his state.He asks each person if he or she has any pets Yes or No) and to state his or her political party affiliation Republican, Democrat, or Other).What are the degrees of freedom?

A research study asks participants to indicate their level of happiness on a standard 5-point Likert-type scale.What are the degrees of freedom?

Introduction to Statistics and Research

Creating and Using Frequency Distributions

Summarizing Scores With Measures of Central Tendency

Summarizing Scores With Measures of Variability

Describing Data With Z-Scores and the Normal Curve

Using Probability to Make Decisions About Data

Overview of Statistical Hypothesis Testing: the Z-Test

Hypothesis Testing Using the One-Sample T-Test

Hypothesis Testing Using the Two-Sample T-Test

Describing Relationships Using Correlation and Regression

Hypothesis Testing Using the One-Way Analysis of Variance

Understanding the Two-Way Analysis of Variance

Filters

Exam 13: Chi Square and Nonparametric Procedures

To use the Kruskal-Wallis test, your study must have ________factors) with at least _________________ conditions.

A significant one-way χ2\chi^{2}χ2 indicates the

In the context of , expected frequency is the frequency we χ2\chi^{2}χ2

Nonparametric procedures are usually not our first choice among statistical procedures because

A researcher wanted to know which type of toy 3-year-olds like to play with.The researcher placed a tricycle, blocks, a train set, and puzzles in a room and observed how many of 20 children played with each type of toy.What is the k value for this study?

When H0H_{0}H0​ is perfectly true, χabt2\chi_{a b t}^{2}χabt2​ should equal

If you're conducting a one-way chi-square for a study with 200 participants and 4 categories, what would the expected frequency be for a given category?

Assume you have conducted a one-way H0H_{0}H0​ in which the H0H_{0}H0​ says the frequencies in the categories are equal.If the χ2\chi^{2}χ2 was not significant, the appropriate conclusion is

In a one-way chi-square test, the null hypothesis states the observed frequencies do not equal the expected frequencies because

The larger the , χ2\chi^{2}χ2

A researcher takes a poll of people in his state.He asks each person if he or she has any pets Yes or No) and to state his or her political party affiliation Republican, Democrat, or Other).What are the degrees of freedom?

A research study asks participants to indicate their level of happiness on a standard 5-point Likert-type scale.What are the degrees of freedom?

Introduction to Statistics and Research

Creating and Using Frequency Distributions

Summarizing Scores With Measures of Central Tendency

Summarizing Scores With Measures of Variability

Describing Data With Z-Scores and the Normal Curve

Using Probability to Make Decisions About Data

Overview of Statistical Hypothesis Testing: the Z-Test

Hypothesis Testing Using the One-Sample T-Test

Hypothesis Testing Using the Two-Sample T-Test

Describing Relationships Using Correlation and Regression

Hypothesis Testing Using the One-Way Analysis of Variance

Understanding the Two-Way Analysis of Variance

Filters

To use the Kruskal-Wallis test, your study must have factors) with at least _________ conditions.

A significant one-way $\chi^{2}$ indicates the

In the context of , expected frequency is the frequency we $\chi^{2}$

When $H_{0}$ is perfectly true, $\chi_{a b t}^{2}$ should equal

Assume you have conducted a one-way $H_{0}$ in which the $H_{0}$ says the frequencies in the categories are equal.If the $\chi^{2}$ was not significant, the appropriate conclusion is

The larger the , $\chi^{2}$