Question 1

With the exception of division, one can perform all mathematical operations on a ratio scale.

Accepted Answer

A) True 
 B)False

Question 2

Using the scores in Problem 21:

Accepted Answer

The answer of Using the scores in Problem 21: ...

Question 3

X = Y / Z can be expressed as _______.

Accepted Answer

A)  Y = ( Z )( X ) 
B)  X = Z / Y 
C)  Y = X / Z 
D)  Z = X + Y 
A)  Y = ( Z )( X ) 
B)  X = Z / Y 
C)  Y = X / Z 
D)  Z = X + Y

Question 4

One generally has to specify the real limits for discrete variables since they cannot be measured accurately.

Accepted Answer

A) True 
 B)False

Question 5

An interval scale is like a ratio scale, except that the interval scale doesn't possess an absolute zero point.

Accepted Answer

A) True 
 B)False

Question 6

When rounding, if the decimal remainder is equal to   and the last digit of the answer is even, add 1 to the last digit of the answer.

Accepted Answer

A) True 
 B)False

Question 7

The number 9.44650 rounded to two decimal places is _________.

Accepted Answer

A)  99.45 
B)  99.46 
C)  99.44 
D)  99.40 
A)  99.45 
B)  99.46 
C)  99.44 
D)  99.40

Question 8

Classifying students into whether they are good, fair, or poor speakers is an example of ordinal scaling.

Accepted Answer

A) True 
 B)False

Question 9

Number of bar presses is an example of a(n) _______ variable.

Accepted Answer

A)  discrete 
B)  continuous 
C)  nominal 
D)  ordinal 
A)  discrete 
B)  continuous 
C)  nominal 
D)  ordinal

Question 10

Given the following set of numbers, X 1 = 2, X 2 = 4, X 3 = 6, X 4 = 10 , what is the value of ( ΣX ) 2 ?

Accepted Answer

A)  480 
B)  484 
C)  156 
D)  44 
A)  480 
B)  484 
C)  156 
D)  44

With the exception of division, one can perform all mathematical operations on a ratio scale.

Using the scores in Problem 21:

X = Y / Z can be expressed as _______.

One generally has to specify the real limits for discrete variables since they cannot be measured accurately.

An interval scale is like a ratio scale, except that the interval scale doesn't possess an absolute zero point.

When rounding, if the decimal remainder is equal to and the last digit of the answer is even, add 1 to the last digit of the answer.

The number 9.44650 rounded to two decimal places is _________.

Classifying students into whether they are good, fair, or poor speakers is an example of ordinal scaling.

Number of bar presses is an example of a(n) _______ variable.

Given the following set of numbers, X ₁ = 2, X ₂ = 4, X ₃ = 6, X ₄ = 10 , what is the value of ( ΣX ) ² ?

Statistics and Scientific Method

Frequency Distributions

Measures of Central Tendency and Variability

The Normal Curve and Standard Scores

Correlation

Linear Regression

Random Sampling and Probability

Binomial Distribution

Introduction to Hypothesis Testing: Using the Sign Test

Power

Sampling Distributions, Sampling Distribution of the Mean: the Normal Deviate Z Test

Students T Test for Single Samples

Students T Test for Correlated and Independent Groups

Introduction to the Analysis of Variance

Introduction to the Two-Way Analysis of Variance

Chi-Square and Other Nonparametric Tests

Filters

Exam 2: Basic Mathematical and Measurement Concepts

With the exception of division, one can perform all mathematical operations on a ratio scale.

Using the scores in Problem 21:

X = Y / Z can be expressed as _______.

One generally has to specify the real limits for discrete variables since they cannot be measured accurately.

An interval scale is like a ratio scale, except that the interval scale doesn't possess an absolute zero point.

When rounding, if the decimal remainder is equal to and the last digit of the answer is even, add 1 to the last digit of the answer.

The number 9.44650 rounded to two decimal places is _________.

Classifying students into whether they are good, fair, or poor speakers is an example of ordinal scaling.

Number of bar presses is an example of a(n) _______ variable.

Given the following set of numbers, X 1 = 2, X 2 = 4, X 3 = 6, X 4 = 10 , what is the value of ( ΣX ) 2 ?

Statistics and Scientific Method

Frequency Distributions

Measures of Central Tendency and Variability

The Normal Curve and Standard Scores

Correlation

Linear Regression

Random Sampling and Probability

Binomial Distribution

Introduction to Hypothesis Testing: Using the Sign Test

Power

Sampling Distributions, Sampling Distribution of the Mean: the Normal Deviate Z Test

Students T Test for Single Samples

Students T Test for Correlated and Independent Groups

Introduction to the Analysis of Variance

Introduction to the Two-Way Analysis of Variance

Chi-Square and Other Nonparametric Tests

Filters

Given the following set of numbers, X ₁ = 2, X ₂ = 4, X ₃ = 6, X ₄ = 10 , what is the value of ( ΣX ) ² ?