Casio STAT 2 Manual de usuario descargar pdf (Pagina 14)

Introduction

To find a set of data for this activity, go to the following website:

www

.dailyfutures.com/softs. The latest statistics on the cocoa market is on that page.

Arrow down and copy down the net production statistics and the grindings statistics

for each of the years listed in the chart.

Problems and Questions

1. Find the average net production and grindings.

Average Net Production ____________ Average Grindings ____________

2. What is the ratio between those two numbers? _____________________

What does this ratio represent? ____________________________________

3. Find the following information about net production and grindings:

a. Mean

i. Net Production: __________

ii. Net Grindings: __________

b. Standard Deviation of sample

i. Net Production: __________

ii. Net Grindings: __________

c. Standard Deviation of population

i. Net Production: __________

ii. Net Grindings: __________

4. What do the mean, standard deviation of sample, and standard deviation of

population represent for net production and grindings?

__________________________________________________________________

5. Create parallel box-and-whisker plots for net production and grindings. Compare

and contrast the two plots. Draw and label the plots in the space below.

Name _____________________________________________ Class ________ Date ________________

Activity 2 • World Cocoa Market

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Casio STAT 2 Manual de usuario Pagina 14