Question 1

Given the following sample scores for the variable length (cm): X 1 = 22, X 2 = 35, X 3 = 32, X 4 = 43, X 5 = 28

Accepted Answer

The answer of Given the following sample scores for the...

Question 2

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

Accepted Answer

A)  47 
B)  53 
C)  48 
D)  32 
A)  47 
B)  53 
C)  48 
D)  32

Question 3

Give two differences between continuous and discrete scales.

Accepted Answer

Continuous and discrete scales are two t

Question 4

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

Accepted Answer

A)  2 
B)  4 
C)  6 
D)  10 
A)  2 
B)  4 
C)  6 
D)  10

Question 5

Measurement is always approximate with a continuous variable.

Accepted Answer

A) True 
 B)False

Question 6

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

Accepted Answer

A)  17 
B)  27 
C)  28 
D)  23 
A)  17 
B)  27 
C)  28 
D)  23

Question 7

After performing several clever calculations on your calculator, the display shows the answer 53.655001. What is the appropriate value rounded to two decimal places?

Accepted Answer

A)  53.65 
B)  53.66 
C)  53.64 
D)  53.60 
A)  53.65 
B)  53.66 
C)  53.64 
D)  53.60

Question 8

Where 3 X = 9, what is the value of X ?

Accepted Answer

A)  3 
B)  6 
C)  9 
D)  12 
A)  3 
B)  6 
C)  9 
D)  12

Question 9

With nominal scales there is a numerical relationship between the units of the scale.

Accepted Answer

A) True 
 B)False

Question 10

If an investigator determines that Carlo's score is five times as large as the score of Juan, 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 11

Given the data X1 = 1, X2 = 4, X3 = 5, X4 = 8, X5 = 10, evaluate ΣX 2 .

Accepted Answer

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

Question 12

1/ X + 2/ X equals _______.

Accepted Answer

A)  2/ X 
B)  3/2 X 
C)  3/ X 
D)  2/ X 2 
A)  2/ X 
B)  3/2 X 
C)  3/ X 
D)  2/ X 2

Question 13

The number of legs on a centipede is an example of a(an) _______ scale.

Accepted Answer

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

Question 14

The sum of a distribution of 40 scores is 150. If we add a constant of 5 to each score, the resulting sum will be _________.

Accepted Answer

A)  158 
B)  350 
C)  150 
D)  195 
A)  158 
B)  350 
C)  150 
D)  195

Question 15

When doing summation, the number above the summation sign indicates the term ending the summation and the number below indicates the beginning term.

Accepted Answer

A) True 
 B)False

Question 16

Reaction time in seconds is an example of a(n) _________ scale.

Accepted Answer

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

Question 17

It is legitimate to do ratios with interval scaling.

Accepted Answer

A) True 
 B)False

Question 18

If IQ was measured on a ratio scale, and John had an IQ of 40 and Fred an IQ of 80, it would be correct to say that Fred was twice as intelligent as John.

Accepted Answer

A) True 
 B)False

Question 19

The symbol " S " means:

Accepted Answer

A)  add the scores 
B)  summarize the data 
C)  square the value 
D)  multiply the scores 
A)  add the scores 
B)  summarize the data 
C)  square the value 
D)  multiply the scores

Question 20

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

Accepted Answer

A)  53 
B)  47 
C)  48 
D)  32 
A)  53 
B)  47 
C)  48 
D)  32

Given the following sample scores for the variable length (cm): X 1 = 22, X 2 = 35, X 3 = 32, X 4 = 43, X 5 = 28

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

Give two differences between continuous and discrete scales.

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

Measurement is always approximate with a continuous variable.

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

After performing several clever calculations on your calculator, the display shows the answer 53.655001. What is the appropriate value rounded to two decimal places?

Where 3 X = 9, what is the value of X ?

With nominal scales there is a numerical relationship between the units of the scale.

If an investigator determines that Carlo's score is five times as large as the score of Juan, the measuring scale used must have been a(an)_______ scale.

Given the data X₁ = 1, X₂ = 4, X₃ = 5, X₄ = 8, X₅ = 10, evaluate ΣX ² .

1/ X + 2/ X equals _______.

The number of legs on a centipede is an example of a(an) _______ scale.

The sum of a distribution of 40 scores is 150. If we add a constant of 5 to each score, the resulting sum will be _________.

When doing summation, the number above the summation sign indicates the term ending the summation and the number below indicates the beginning term.

Reaction time in seconds is an example of a(n) _________ scale.

It is legitimate to do ratios with interval scaling.

If IQ was measured on a ratio scale, and John had an IQ of 40 and Fred an IQ of 80, it would be correct to say that Fred was twice as intelligent as John.

The symbol " S " means:

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

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

Given the following sample scores for the variable length (cm): X 1 = 22, X 2 = 35, X 3 = 32, X 4 = 43, X 5 = 28

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

Give two differences between continuous and discrete scales.

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

Measurement is always approximate with a continuous variable.

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

After performing several clever calculations on your calculator, the display shows the answer 53.655001. What is the appropriate value rounded to two decimal places?

Where 3 X = 9, what is the value of X ?

With nominal scales there is a numerical relationship between the units of the scale.

If an investigator determines that Carlo's score is five times as large as the score of Juan, the measuring scale used must have been a(an)_______ scale.

Given the data X1 = 1, X2 = 4, X3 = 5, X4 = 8, X5 = 10, evaluate ΣX 2 .

1/ X + 2/ X equals _______.

The number of legs on a centipede is an example of a(an) _______ scale.

The sum of a distribution of 40 scores is 150. If we add a constant of 5 to each score, the resulting sum will be _________.

When doing summation, the number above the summation sign indicates the term ending the summation and the number below indicates the beginning term.

Reaction time in seconds is an example of a(n) _________ scale.

It is legitimate to do ratios with interval scaling.

If IQ was measured on a ratio scale, and John had an IQ of 40 and Fred an IQ of 80, it would be correct to say that Fred was twice as intelligent as John.

The symbol " S " means:

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

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 data X ₁ = 1, X ₂ = 4, X ₃ = 5, X ₄ = 8, X ₅ = 10, evaluate .

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

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

Given the data X₁ = 1, X₂ = 4, X₃ = 5, X₄ = 8, X₅ = 10, evaluate ΣX ² .

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