Question 1

Percentage is simply the _____ multiplied by 100.

Accepted Answer

A)  proportion 
B)  number of successes 
C)  number of failures 
D)  number of trials 
A)  proportion 
B)  number of successes 
C)  number of failures 
D)  number of trials

Question 2

When one rejects the null hypothesis, it means that the research hypothesis is accepted.

Accepted Answer

A) True 
 B)False

Question 3

Random _____ is a process that ensures that every participant has an equal chance of being in any one of the experimental conditions and is common in scientific research, whereas random _____ is when every member of the population has an equal chance of being a participant and is much less common in experimental studies.

Accepted Answer

A)  sampling; assignment 
B)  sampling; error 
C)  assignment; block design 
D)  assignment; sampling 
A)  sampling; assignment 
B)  sampling; error 
C)  assignment; block design 
D)  assignment; sampling

Question 4

Volunteer sampling is a form of random sampling.

Accepted Answer

A) True 
 B)False

Question 5

Many people have been interested in the effects of pet ownership on overall health.Surprisingly enough, the results have been somewhat inconclusive to date.A major investigation of the issue might compare pet owners to people without pets over a 5- to 10-year period.Which group is the control group?

Accepted Answer

A)  pet owners 
B)  people without pets 
C)  the pets themselves 
D)  pet owners with poor health 
A)  pet owners 
B)  people without pets 
C)  the pets themselves 
D)  pet owners with poor health

Percentage is simply the _____ multiplied by 100.

When one rejects the null hypothesis, it means that the research hypothesis is accepted.

Volunteer sampling is a form of random sampling.

Many people have been interested in the effects of pet ownership on overall health.Surprisingly enough, the results have been somewhat inconclusive to date.A major investigation of the issue might compare pet owners to people without pets over a 5- to 10-year period.Which group is the control group?

An Introduction to Statistics and Research Design

Frequency Distributions

Visual Displays of Data

Central Tendency and Variability

The Normal Curve, Standardization and Z Scores

Hypothesis Testing With Z Tests

Confidence Intervals, Effect Size, and Statistical Power

The Single-Sample T Test

The Paired-Samples T Test

The Independent-Samples T Test

One-Way Between-Groups Anova

One-Way Within-Groups Anova

Two-Way Between-Groups Anova

Correlation

Regression

Chi-Square Tess

Choosing and Reporting Statistics

Filters

Exam 5: Sampling and Probability

Percentage is simply the _____ multiplied by 100.

When one rejects the null hypothesis, it means that the research hypothesis is accepted.

Volunteer sampling is a form of random sampling.

An Introduction to Statistics and Research Design

Frequency Distributions

Visual Displays of Data

Central Tendency and Variability

The Normal Curve, Standardization and Z Scores

Hypothesis Testing With Z Tests

Confidence Intervals, Effect Size, and Statistical Power

The Single-Sample T Test

The Paired-Samples T Test

The Independent-Samples T Test

One-Way Between-Groups Anova

One-Way Within-Groups Anova

Two-Way Between-Groups Anova

Correlation

Regression

Chi-Square Tess

Choosing and Reporting Statistics

Filters