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Teacher's Answer Key

Answers for Math Worksheet of Prerequisite Knowledge

1. 36 inches
2. 66 inches
3. 30 seconds
4. 75 seconds
5. 0.5556
6. 0.5385
7. 36 degrees
8. 64 degrees
9. 45 degrees
10. 50 degrees

11.

scatter sheet


Answers for Practice Exercises on Computing Glide Slope

a. 62/92 = 0.6739 (closest to 0.6745, glide slope = 34 degrees)
b. 55/105 = 0.5238 (closest to 0.5317, glide slope = 28 degrees)
c. 73/90 = 0.8111 (closest to 0.8098, glide slope = 39 degrees)
d. 63/90 = 0.7000 (closest to 0.7002, glide slope = 35 degrees)


Answers for Practice Exercises on Computing Average Speed

1. 92/10 = 9.2 in/sec
2. 80/6 = 13.33 in/sec
3. 75/8 = 9.38 in/sec
4. 77/9 = 8.56 in/sec


Possible Answers for Practice Exercises on Drawing a Line of Best Fit

scatter sheet


Answers for Practice Exercises on Using a Line of Best Fit for Making Predictions

#1: If glide slope value = 20 degrees
Then, average speed = 8 in/sec

scatter sheet

#2: If glide slope value = 30 degrees
Then, average speed = 100 in/sec

scatter sheet

#3: If average speed = 15 in/sec
Then, glide slope = 5 degrees

scatter sheet

#4: If average speed = 25 in/sec
Then, glide slope = 20 degrees

scatter sheet


Answers for Practice Exercises on How to Create a Scatter Plot
1.

scatter sheet

2. Negative Correlation

3. Answers may vary. Possible range of answers:

Glide Slope Average Speed
44 (105-115)
52 (80-90)
60 (50-60)

4. Answers may vary. Possible range of answers:

Average Speed Glide Slope
40 (64-66)
60 (58-60)
110 (42-46)

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