Question 1

Indicate whether the following variables are discrete or continuous.

Accepted Answer

The answer of Indicate whether the following variables are discrete...

Question 2

Determining the number of students in each section of introductory psychology involves the use of a ratio scale.

Accepted Answer

A) True 
 B)False

Question 3

equals _______.

Accepted Answer

A)  ±3 
B)  ±81 
C)  ±9 
D)  ±27 
A)  ±3 
B)  ±81 
C)  ±9 
D)  ±27

Question 4

"Brand of soft drink" is measured on a(n) _________.

Accepted Answer

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

Question 5

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

Accepted Answer

A)  B = 2 A 
B)  B - A = D - C 
C)  B = 2 A and B - A = D - C 
D)  None of these choices is correct. 
A)  B = 2 A 
B)  B - A = D - C 
C)  B = 2 A and B - A = D - C 
D)  None of these choices is correct.

Question 6

Round the following to two decimal place accuracy.

Accepted Answer

The answer of Round the following to two decimal place...

Question 7

We have collected the following data: X 1 = 6, X 2 = 2, X 3 = 4, X 4 = 1, X 5 = 3 For these data,   is equal to _________.

Accepted Answer

A)  16 
B)  10 
C)  7 
D)  13 
A)  16 
B)  10 
C)  7 
D)  13

Question 8

Using an ordinal scale to assess leadership, which of the following statements is appropriate?

Accepted Answer

A)  A has twice as much leadership ability as B 
B)  X has no leadership ability 
C)  Y has the most leadership ability 
D)  all of these 
A)  A has twice as much leadership ability as B 
B)  X has no leadership ability 
C)  Y has the most leadership ability 
D)  all of these

Question 9

Define continuous variable.

Accepted Answer

A continuous variable is a type of varia

Question 10

In an experiment measuring the number of aggressive acts of six children, the following scores were obtained.

Accepted Answer

The answer of In an experiment measuring the number of...

Question 11

Sex of children is an example of a(n) _________ scale.

Accepted Answer

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

Question 12

For X + Y = Z , X equals _______.

Accepted Answer

A)  Y + Z 
B)  Z - Y 
C)  Z / Y 
D)  Y / Z 
A)  Y + Z 
B)  Z - Y 
C)  Z / Y 
D)  Y / Z

Question 13

2 4 equals _______.

Accepted Answer

A)  4 
B)  32 
C)  8 
D)  16 
A)  4 
B)  32 
C)  8 
D)  16

Question 14

Given the following subjects and scores, which symbol would be used to represent the score of 3?

Accepted Answer

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

Question 15

The faculty of a psychology department are trying to decide between three candidates for a single faculty position. The department chairperson suggests that to decide, each faculty person should rank order the candidates from 1 to 3, and the ranks would then be averaged. The candidate with the highest average would be offered the position. Mathematically, what is wrong with that proposal.

Accepted Answer

The problem with the department chairper

Question 16

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

Accepted Answer

A)  12 
B)  156 
C)  480 
D)  22 
A)  12 
B)  156 
C)  480 
D)  22

Question 17

The symbol S means square the following numbers and sum them.

Accepted Answer

A) True 
 B)False

Question 18

The real limits of a discrete variable are those values that are above and below the recorded value by one half of the smallest measuring unit of the scale.

Accepted Answer

A) True 
 B)False

Question 19

S X 2  and ( S X) 2 generally yield the same answer.

Accepted Answer

A) True 
 B)False

Question 20

Classifying subjects on the basis of sex is an example of using what kind of scale?

Accepted Answer

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

Indicate whether the following variables are discrete or continuous.

Determining the number of students in each section of introductory psychology involves the use of a ratio scale.

equals _______.

"Brand of soft drink" is measured on a(n) _________.

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

Round the following to two decimal place accuracy.

We have collected the following data: X ₁ = 6, X ₂ = 2, X ₃ = 4, X ₄ = 1, X ₅ = 3 For these data, is equal to _________.

Using an ordinal scale to assess leadership, which of the following statements is appropriate?

Define continuous variable.

In an experiment measuring the number of aggressive acts of six children, the following scores were obtained.

Sex of children is an example of a(n) _________ scale.

For X + Y = Z , X equals _______.

2 4 equals _______.

Given the following subjects and scores, which symbol would be used to represent the score of 3?

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

The symbol S means square the following numbers and sum them.

The real limits of a discrete variable are those values that are above and below the recorded value by one half of the smallest measuring unit of the scale.

S X² and ( S X) ² generally yield the same answer.

Classifying subjects on the basis of sex is an example of using what kind of 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

Indicate whether the following variables are discrete or continuous.

Determining the number of students in each section of introductory psychology involves the use of a ratio scale.

equals _______.

"Brand of soft drink" is measured on a(n) _________.

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

Round the following to two decimal place accuracy.

We have collected the following data: X 1 = 6, X 2 = 2, X 3 = 4, X 4 = 1, X 5 = 3 For these data, is equal to _________.

Using an ordinal scale to assess leadership, which of the following statements is appropriate?

Define continuous variable.

In an experiment measuring the number of aggressive acts of six children, the following scores were obtained.

Sex of children is an example of a(n) _________ scale.

For X + Y = Z , X equals _______.

2 4 equals _______.

Given the following subjects and scores, which symbol would be used to represent the score of 3?

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

The symbol S means square the following numbers and sum them.

The real limits of a discrete variable are those values that are above and below the recorded value by one half of the smallest measuring unit of the scale.

S X 2 and ( S X) 2 generally yield the same answer.

Classifying subjects on the basis of sex is an example of using what kind of 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

We have collected the following data: X ₁ = 6, X ₂ = 2, X ₃ = 4, X ₄ = 1, X ₅ = 3 For these data, is equal to _________.

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

S X² and ( S X) ² generally yield the same answer.