Question 1

The null hypothesis refers to which of the following?.

Accepted Answer

A) the population 
B) multiple samples 
C) multiple populations 
D) the sample 
A) the population 
B) multiple samples 
C) multiple populations 
D) the sample

Question 2

What type of hypothesis posits a difference between groups where the difference is specified?

Accepted Answer

A) directional hypothesis 
B) nondirectional hypothesis 
C) research hypothesis 
D) null hypothesis 
A) directional hypothesis 
B) nondirectional hypothesis 
C) research hypothesis 
D) null hypothesis

Question 3

Which of the following types of hypotheses is considered an implied hypothesis?

Accepted Answer

A) the null hypothesis 
B) the alternative hypothesis 
C) the research hypothesis 
D) the population hypothesis 
A) the null hypothesis 
B) the alternative hypothesis 
C) the research hypothesis 
D) the population hypothesis

Question 4

Which of the following is a statement of equality between sets of variables?

Accepted Answer

A) research hypothesis 
B) null hypothesis 
C) nondirectional research hypothesis 
D) directional research hypothesis 
A) research hypothesis 
B) null hypothesis 
C) nondirectional research hypothesis 
D) directional research hypothesis

Question 5

If you were to hypothesize that there is a relationship between reaction time and problem-solving ability,you would have a ______.

Accepted Answer

A) directional research hypothesis 
B) nondirectional research hypothesis 
C) null hypothesis 
D) hypothesis type that cannot be determined 
A) directional research hypothesis 
B) nondirectional research hypothesis 
C) null hypothesis 
D) hypothesis type that cannot be determined

Question 6

What test would you want to use to test a directional research hypothesis?

Accepted Answer

A) one-tailed test 
B) two-tailed test 
C) nonparametric test 
D) frequency test 
A) one-tailed test 
B) two-tailed test 
C) nonparametric test 
D) frequency test

Question 7

A null hypothesis is written in what type of letters?

Accepted Answer

A) Arabic 
B) Greek 
C) Roman 
D) Latin (English) 
A) Arabic 
B) Greek 
C) Roman 
D) Latin (English)

Question 8

In a study,a ______ is drawn from a ______.

Accepted Answer

A) sample;larger population 
B) sample;smaller population 
C) population;smaller sample 
D) population;larger sample 
A) sample;larger population 
B) sample;smaller population 
C) population;smaller sample 
D) population;larger sample

Question 9

Hypothesis testing relates to ______.

Accepted Answer

A) samples and populations 
B) the population 
C) multiple populations 
D) the sample 
A) samples and populations 
B) the population 
C) multiple populations 
D) the sample

Question 10

Why is it important to have a precise and clear research question?

Accepted Answer

It is important to have a clea

Question 11

Sampling error relates to how well a population approximates the characteristics of a sample.

Accepted Answer

A) True 
 B)False

Question 12

The null hypothesis can only be tested indirectly.

Accepted Answer

A) True 
 B)False

Question 13

What is the purpose of the research hypothesis?

Accepted Answer

The research hypothe

Question 14

Which of the following represents a research hypothesis?

Accepted Answer

A) H1: X1 2 
B) H0: $\mu$S1U1B11S1U1B0=$\mu$ 2 
C) H1: $\mu$ 1 $\gt$$\mu$2 
D) H1: X1 = X2 
A) H1: X1 2 
B) H0: $\mu$S1U1B11S1U1B0=$\mu$ 2 
C) H1: $\mu$ 1 $\gt$$\mu$2 
D) H1: X1 = X2

Question 15

Individuals in a representative sample should match as closely as possible to the characteristics of the population.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following represents a nondirectional research hypothesis?

Accepted Answer

A) H1: X1 2 
B) H0: $\mu$1=$\mu$2 
C) H1: $\mu$1$\gt$$\mu$2 
D) H1: X1 ≠ X2 
A) H1: X1 2 
B) H0: $\mu$1=$\mu$2 
C) H1: $\mu$1$\gt$$\mu$2 
D) H1: X1 ≠ X2

Question 17

If you hypothesize that there will be a difference between test scores from Classroom A and Classroom B,but you do NOT hypothesize the direction,you have ______.

Accepted Answer

A) a directional research hypothesis 
B) a nondirectional research hypothesis 
C) a null hypothesis 
D) either a null or research hypothesis 
A) a directional research hypothesis 
B) a nondirectional research hypothesis 
C) a null hypothesis 
D) either a null or research hypothesis

Question 18

Null hypotheses always refer to the sample.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is an example of a directional hypothesis?

Accepted Answer

A) There is a positive relationship between a high-fat diet and weight gain. 
B) There is a large relationship between a high-fat diet and weight gain. 
C) There is a relationship between a high-fat diet and weight gain. 
D) There is no relationship between a high-fat diet and weight gain. 
A) There is a positive relationship between a high-fat diet and weight gain. 
B) There is a large relationship between a high-fat diet and weight gain. 
C) There is a relationship between a high-fat diet and weight gain. 
D) There is no relationship between a high-fat diet and weight gain.

Question 20

A good research question helps to ______.

Accepted Answer

A) form the hypothesis 
B) ensure correlation 
C) eliminate sampling error 
D) ensure an average score 
A) form the hypothesis 
B) ensure correlation 
C) eliminate sampling error 
D) ensure an average score

The null hypothesis refers to which of the following?.

What type of hypothesis posits a difference between groups where the difference is specified?

Which of the following types of hypotheses is considered an implied hypothesis?

Which of the following is a statement of equality between sets of variables?

If you were to hypothesize that there is a relationship between reaction time and problem-solving ability,you would have a ______.

What test would you want to use to test a directional research hypothesis?

A null hypothesis is written in what type of letters?

In a study,a is drawn from a .

Hypothesis testing relates to ______.

Why is it important to have a precise and clear research question?

Sampling error relates to how well a population approximates the characteristics of a sample.

The null hypothesis can only be tested indirectly.

What is the purpose of the research hypothesis?

Which of the following represents a research hypothesis?

Individuals in a representative sample should match as closely as possible to the characteristics of the population.

Which of the following represents a nondirectional research hypothesis?

If you hypothesize that there will be a difference between test scores from Classroom A and Classroom B,but you do NOT hypothesize the direction,you have ______.

Null hypotheses always refer to the sample.

Which of the following is an example of a directional hypothesis?

A good research question helps to ______.

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Filters

Exam 7: Hypotheticals and You: Testing Your Questions

The null hypothesis refers to which of the following?.

What type of hypothesis posits a difference between groups where the difference is specified?

Which of the following types of hypotheses is considered an implied hypothesis?

Which of the following is a statement of equality between sets of variables?

If you were to hypothesize that there is a relationship between reaction time and problem-solving ability,you would have a ______.

What test would you want to use to test a directional research hypothesis?

A null hypothesis is written in what type of letters?

In a study,a ______ is drawn from a ______.

Hypothesis testing relates to ______.

Why is it important to have a precise and clear research question?

Sampling error relates to how well a population approximates the characteristics of a sample.

The null hypothesis can only be tested indirectly.

What is the purpose of the research hypothesis?

Which of the following represents a research hypothesis?

Individuals in a representative sample should match as closely as possible to the characteristics of the population.

Which of the following represents a nondirectional research hypothesis?

If you hypothesize that there will be a difference between test scores from Classroom A and Classroom B,but you do NOT hypothesize the direction,you have ______.

Null hypotheses always refer to the sample.

Which of the following is an example of a directional hypothesis?

A good research question helps to ______.

Statistics or Sadistics Its up to You

Means to an End: Computing and Understanding Averages

Understanding Variability: Vive La Différence

A Picture Really Is Worth a Thousand Words

Computing Correlation Coefficients: Ice Cream and Crime

Understanding Reliability and Validity: Just the Truth

Probability and Why It Counts: Fun With a Bell-Shaped Curve

Significantly Significant: What It Means for You and Me

Only the Lonely: the One Sample Z-Test

Teafor Two: Tests Between the Means of Different Groups

Teafor Two Again: Tests Between the Means of Related Groups

Two Groups Too Many Try Analysis of Variance

Two Too Many Factors: Factorial Analysis of Variancea Brief Introduction

Testing Relationships Using the Correlation Coefficients: Cousins or Just Good Friends

Using Linear Regression: Predicting Wholl Win the Super Bowl

Chi-Square and Some Other Nonparametric Tests: What to Do When Youre Not Normal

Some Other Importantstatistical Procedures You Should Know About

An Introduction to Data Mining

Filters

In a study,a is drawn from a .