Question

The college Physical Education Department offered an Advanced First Aid course last summer. The scores on the comprehensive test were normally distributed, and the z scores for some of the students are shown below.

Robert, 1.17 Juan, 1.76 Susan, –1.85 Joel, 0.00 Jan, –0.71 Linda, 1.64

(a) Which of these students scored above the mean? (Select all that apply.)

Jan

Joel

Juan

Linda

Robert

Susan

(b) Which of these students scored on the mean? (Select all that apply.)

Jan

Joel

Juan

Linda

Robert

Susan

(c) Which of these students scored below the mean? (Select all that apply.)

Jan

Joel

Juan

Linda

Robert

Susan

(d) If the mean score was μ = 155 with standard deviation σ = 21, what was the test score for each student? (Round your answers to the nearest whole number.)

Robert

Joel

Jan

Juan

Susan

Linda

Answer #1

**Answer a. All those students with Z score greater than 0
have scored above the mean score. They are:**

**Robert, Juan and Linda**

**Answer b. All the students who have Z score of 0 have
scored on the mean score.**

**Only Joel have scored on the mean.**

**Answer c. All the students who have Z-score less than
zero have score below the mean. They are:**

**Susan and Jan**

**Answer d.**

**Robert = 155 + 1.5*21 = 187**

**Joel = 155 +0*21 = 155**

**Jan = 155 -0.71*21 = 140**

**Juan = 155 + 1.76*21 = 192**

**Susan = 155 - 1.85*21 = 116**

**Linda = 155 +1.64*21 = 189**

The college Physical Education Department offered an Advanced
First Aid course last summer. The scores on the comprehensive final
were normally distributed, and the z scores for some of the
students are shown below.
Robert, 0.96 Juan, 1.77 Susan, –2.01
Joel, 0.00 Jan, –0.91 Linda, 1.67
(a) Which of these students scored above the mean? (Select all that
apply.)
Jan
Joel
Juan
Linda
Robert
Susan
(b) Which of these students scored on the mean? (Select all that
apply.)
Jan
Joel...

The college Physical
Education Department offered an Advanced First Aid course last
summer. The scores on the comprehensive final exam were normally
distributed, and the z scores for some of the students are shown
below.
Robert,
1.07
Juan, 1.54
Susan, –2.09
Joel,
0.00
Jan,
–0.72
Linda, 1.60
Answer the following
questions based on this information.
Q4a. Which students
scored above the mean?
Q4b. Which student
scored at the mean?
Q4c. Which students
scored below the mean?
Q4d. If the mean...

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