Question 1

Most scales used for measuring psychological variables are either ratio or interval.

Accepted Answer

A) True 
 B)False

Question 2

An individual is measuring various objects. If the measurements made are to determine into which of six categories each object belongs, the measuring scale used must have been a(an)_______ scale.

Accepted Answer

A)  nominal 
B)  ordinal 
C)  interval 
D)  ratio 
A)  nominal 
B)  ordinal 
C)  interval 
D)  ratio

Question 3

Identify which type of measurement scale is involved for the following:

Accepted Answer

The answer of Identify which type of measurement scale is...

Question 4

A nutritionist uses a scale that measures weight to the nearest 0.01 grams. A slice of cheese weighs 0.35 grams on the scale. The variable being measured is a _________.

Accepted Answer

A)  discrete variable 
B)  constant 
C)  continuous variable 
D)  random variable 
A)  discrete variable 
B)  constant 
C)  continuous variable 
D)  random variable

Question 5

Which of the following variables has been labeled with an incorrect measuring scale?

Accepted Answer

A)  the number of students in a psychology class - ratio 
B)  ranking in a beauty contest - ordinal 
C)  finishing order in a poetry contest - ordinal 
D)  self-rating of anxiety level by students in a statistics class - ratio 
A)  the number of students in a psychology class - ratio 
B)  ranking in a beauty contest - ordinal 
C)  finishing order in a poetry contest - ordinal 
D)  self-rating of anxiety level by students in a statistics class - ratio

Question 6

Define nominal scale.

Accepted Answer

A nominal scale is a classification syst

Question 7

All scales possess magnitude, equal intervals between adjacent units, and an absolute zero point.

Accepted Answer

A) True 
 B)False

Question 8

Define interval scale.

Accepted Answer

An interval scale is a type of numerical

Question 9

X 6 / X 2 equals _______.

Accepted Answer

A)  X 8 
B)  X 4 
C)  X 2 
D)  X 3 
A)  X 8 
B)  X 4 
C)  X 2 
D)  X 3

Question 10

When a weight is measured to 1/1000th of a gram, that measure is absolutely accurate.

Accepted Answer

A) True 
 B)False

Question 11

Consider the following points on a scale:   If the scale upon which A , B , C , and D are arranged is a nominal scale, we can say _________.

Accepted Answer

A)  B = 2 A 
B)  B - A = D - C 
C)  both a and b 
D)  neither a nor b 
A)  B = 2 A 
B)  B - A = D - C 
C)  both a and b 
D)  neither a nor b

Question 12

Rounding 55.55 to the nearest whole number gives 55.

Accepted Answer

A) True 
 B)False

Question 13

Using the scores in Problem 21:

Accepted Answer

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

Question 14

When rounded to two decimal places, the number 3.175000 becomes _________.

Accepted Answer

A)  3.17 
B)  3.20 
C)  3.18 
D)  3.10 
A)  3.17 
B)  3.20 
C)  3.18 
D)  3.10

Question 15

What is (4 - 2)(3 × 4)/(6/3)?

Accepted Answer

A)  24 
B)  1.3 
C)  12 
D)  6 
A)  24 
B)  1.3 
C)  12 
D)  6

Question 16

Given the data X 1 = 1, X 2 = 4, X 3 = 5, X 4 = 8, X 5 = 10, evaluate ( ΣX) 2 .

Accepted Answer

A)  56 
B)  784 
C)  206 
D)  28 
A)  56 
B)  784 
C)  206 
D)  28

Question 17

Consider the following sample scores for the variable weight: X 1 = 145, X 2 = 160, X 3 = 110, X 4 = 130, X 5 = 137, X 6 = 172, and X 7 = 150

Accepted Answer

Question 18

The number of students in a class is an example of a continuous variable.

Accepted Answer

A) True 
 B)False

Question 19

In rounding, if the remainder beyond the last digit is greater than 1/2, add one to the last digit. If the remainder is less than 1/2, leave the last digit as it is.

Accepted Answer

A) True 
 B)False

Question 20

A continuous scale of measurement is different than a discrete scale in that a continuous scale _________.

Accepted Answer

A)  is an interval scale, not a ratio scale 
B)  never provides exact measurements 
C)  can take an infinite number of intermediate possible values 
D)  never uses decimal numbers 
E)  never provides exact measurements and can take an infinite number of intermediate possible values 
A)  is an interval scale, not a ratio scale 
B)  never provides exact measurements 
C)  can take an infinite number of intermediate possible values 
D)  never uses decimal numbers 
E)  never provides exact measurements and can take an infinite number of intermediate possible values

Most scales used for measuring psychological variables are either ratio or interval.

An individual is measuring various objects. If the measurements made are to determine into which of six categories each object belongs, the measuring scale used must have been a(an)_______ scale.

Identify which type of measurement scale is involved for the following:

A nutritionist uses a scale that measures weight to the nearest 0.01 grams. A slice of cheese weighs 0.35 grams on the scale. The variable being measured is a _________.

Which of the following variables has been labeled with an incorrect measuring scale?

Define nominal scale.

All scales possess magnitude, equal intervals between adjacent units, and an absolute zero point.

Define interval scale.

X ⁶ / X ²equals _______.

When a weight is measured to 1/1000th of a gram, that measure is absolutely accurate.

Consider the following points on a scale: If the scale upon which A , B , C , and D are arranged is a nominal scale, we can say _________.

Rounding 55.55 to the nearest whole number gives 55.

Using the scores in Problem 21:

When rounded to two decimal places, the number 3.175000 becomes _________.

What is (4 - 2)(3 × 4)/(6/3)?

Given the data X ₁ = 1, X ₂ = 4, X ₃ = 5, X ₄ = 8, X ₅ = 10, evaluate ( ΣX) ² .

Consider the following sample scores for the variable weight: X ₁ = 145, X ₂ = 160, X ₃ = 110, X ₄ = 130, X 5 = 137, X ₆ = 172, and X ₇ = 150

The number of students in a class is an example of a continuous variable.

In rounding, if the remainder beyond the last digit is greater than 1/2, add one to the last digit. If the remainder is less than 1/2, leave the last digit as it is.

A continuous scale of measurement is different than a discrete scale in that a continuous scale _________.

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

Most scales used for measuring psychological variables are either ratio or interval.

An individual is measuring various objects. If the measurements made are to determine into which of six categories each object belongs, the measuring scale used must have been a(an)_______ scale.

Identify which type of measurement scale is involved for the following:

A nutritionist uses a scale that measures weight to the nearest 0.01 grams. A slice of cheese weighs 0.35 grams on the scale. The variable being measured is a _________.

Which of the following variables has been labeled with an incorrect measuring scale?

Define nominal scale.

All scales possess magnitude, equal intervals between adjacent units, and an absolute zero point.

Define interval scale.

X 6 / X 2 equals _______.

When a weight is measured to 1/1000th of a gram, that measure is absolutely accurate.

Consider the following points on a scale: If the scale upon which A , B , C , and D are arranged is a nominal scale, we can say _________.

Rounding 55.55 to the nearest whole number gives 55.

Using the scores in Problem 21:

When rounded to two decimal places, the number 3.175000 becomes _________.

What is (4 - 2)(3 × 4)/(6/3)?

Given the data X 1 = 1, X 2 = 4, X 3 = 5, X 4 = 8, X 5 = 10, evaluate ( ΣX) 2 .

Consider the following sample scores for the variable weight: X 1 = 145, X 2 = 160, X 3 = 110, X 4 = 130, X 5 = 137, X 6 = 172, and X 7 = 150

The number of students in a class is an example of a continuous variable.

In rounding, if the remainder beyond the last digit is greater than 1/2, add one to the last digit. If the remainder is less than 1/2, leave the last digit as it is.

A continuous scale of measurement is different than a discrete scale in that a continuous scale _________.

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

X ⁶ / X ²equals _______.

Given the data X ₁ = 1, X ₂ = 4, X ₃ = 5, X ₄ = 8, X ₅ = 10, evaluate ( ΣX) ² .

Consider the following sample scores for the variable weight: X ₁ = 145, X ₂ = 160, X ₃ = 110, X ₄ = 130, X 5 = 137, X ₆ = 172, and X ₇ = 150