# MATHEMATICS

Exhibit 1-4

Let’s assume you have measured the height of all psychology majors at your university.

Refer to Exhibit 1-4. The resulting raw scores are called ____.

1. statistics

2. data

3. constants

4. coefficients

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2. (Points: 1)

Exhibit 1-4

Let’s assume you have measured the height of all psychology majors at your university.

Refer to Exhibit 1-4. Height is an example of a(n) ____.

1. constant

2. independent variable

3. dependent variable

4. statistic

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3. (Points: 1)

Exhibit 1-4

Let’s assume you have measured the height of all psychology majors at your university.

Refer to Exhibit 1-4. The height scores constitute a ____ with regard to psychology majors at your university.

1. parameter

2. population

3. sample

4. statistic

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4. (Points: 1)

Exhibit 1-4

Let’s assume you have measured the height of all psychology majors at your university.

Refer to Exhibit 1-4. The height scores constitute a ____ with regard to psychology majors in universities throughout the world.

1. parameter

2. sample

3. statistic

4. population

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5. (Points: 1)

Exhibit 1-4

Let’s assume you have measured the height of all psychology majors at your university.

Refer to Exhibit 1-4. The average (mean) value of the height scores constitutes a ____ with regard to psychology majors at your university.

1. sample

2. parameter

3. statistic

4. population

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6. (Points: 1)

Exhibit 1-4

Let’s assume you have measured the height of all psychology majors at your university.

Refer to Exhibit 1-4. The average (mean) value of the height scores constitutes a ____ with regard to psychology majors at universities throughout the world.

1. sample

2. parameter

3. population

4. statistic

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7. (Points: 1)

In inferential statistics the object is usually to generalize from a ____ to a ____.

1. sample; population

2. population; sample

3. data; variable

4. constant; variable

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8. (Points: 1)

In acquiring knowledge the method that employs logic, reasoning and objective assessment is referred to as ____.

1. intuition

2. the method of authority

3. rationalism

4. scientific method

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9. (Points: 1)

Exhibit 2-4

X1 = 2, X2 = 4, X3 = 6, X4 = 10

Refer to Exhibit 2-4. What is the value for S X?

1. 12

2. 480

3. 22

4. 156

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10. (Points: 1)

Exhibit 2-4

X1 = 2, X2 = 4, X3 = 6, X4 = 10

Refer to Exhibit 2-4. What is the value of S X 2?

1. 480

2. 22

3. 37

4. 156

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11. (Points: 1)

Exhibit 2-4

X1 = 2, X2 = 4, X3 = 6, X4 = 10

Refer to Exhibit 2-4. What is the value of X42?

1. 4

2. 10

3. 6

4. 100

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12. (Points: 1)

Exhibit 2-4

X1 = 2, X2 = 4, X3 = 6, X4 = 10

Refer to Exhibit 2-4. What is the value of (S X)2?

1. 484

2. 44

3. 480

4. 156

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13. (Points: 1)

Exhibit 2-4

X1 = 2, X2 = 4, X3 = 6, X4 = 10

Refer to Exhibit 2-4. What is the value of N?

1. 6

2. 10

3. 4

4. 2

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14. (Points: 1)

Exhibit 2-4

X1 = 2, X2 = 4, X3 = 6, X4 = 10

Refer to Exhibit 2-4. What is the value of (S X)/N?

1. 5.5

2. 5

3. 6

4. 4

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15. (Points: 1)

“Brand of soft drink” is measured on a(n) ____.

1. ordinal scale

2. nominal scale

3. ratio scale

4. interval scale

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16. (Points: 1)

Exhibit 3-1

A psychologist is interested in the social interactions of preschool children. She measures the number of verbal interactions that each child at a preschool engages in during a day. Here is the frequency distribution of the data.

Refer to Exhibit 3-1. The real limits of the interval 56-65 are ____.

1. 56-65

2. 55.5-65.5

3. 55-67

4. 56.5-65.5

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17. (Points: 1)

Exhibit 3-1

A psychologist is interested in the social interactions of preschool children. She measures the number of verbal interactions that each child at a preschool engages in during a day. Here is the frequency distribution of the data.

Refer to Exhibit 3-1. The relative frequency for the interval 76-85 is ____.

1. 0.13

2. 0.09

3. 0.11

4. 0.16

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18. (Points: 1)

Exhibit 3-1

A psychologist is interested in the social interactions of preschool children. She measures the number of verbal interactions that each child at a preschool engages in during a day. Here is the frequency distribution of the data.

Refer to Exhibit 3-1. The cumulative frequency for the interval 46-55 is ____.

1. 9

2. 0.29

3. 13

4. 4

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19. (Points: 1)

Exhibit 3-1