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

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.

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