Answer to Question #173738 in Statistics and Probability for Rustom

Question

Before you proceed, let us check your readiness for this lesson. Below is a 5-

item true or false test. Determine whether the statement is true or false. Write T if the

statement is true and F if false on the blank provided before each number.

1. The z-score measures how many standard deviation a given value is above

or below the mean.

2. A negative z-score indicates that the score or value is above the mean.

3. If a z-score is equal to −2.05, it is 2.05 standard deviations below the

mean.

4. A positive z-score indicates that the score or value is below the mean,

5. If a z-score is 0, it is on the mean.

Answer 1

1. The z-score measures how many standard deviation a given value is above

or below the mean.

T

2. A negative z-score indicates that the score or value is above the mean.

F

(A negative z-score indicates that the score or value is below the mean.)

3. If a z-score is equal to −2.05, it is 2.05 standard deviations below the

mean.

T

4. A positive z-score indicates that the score or value is below the mean.

F

(A positive z-score indicates that the score or value is above the mean.)

5. If a z-score is 0, it is on the mean.

T