Use your notes to work the practice problems, then enter the answers to check your answer.
Use your notes to work the practice problems, then enter the answers to check your answer.
Required
1 point
1
Question 1
1.
Section 1.1
Box Office Smash According to the Internet Movie Database, Avatar is tops based on box-office receipts worldwide. The table displays data on several movies.
Identify the individuals in this data set.
Required
1 point
1
Question 2
2.
Section 1.1
Box Office Smash According to the Internet Movie Database, Avatar is tops based on box-office receipts worldwide. The table displays data on several movies.
Identify the variables in this data set.
Required
1 point
1
Question 3
3.
Section 1.1
Box Office Smash According to the Internet Movie Database, Avatar is tops based on box-office receipts worldwide. The table displays data on several movies.
Which variables are categorical?
Required
1 point
1
Question 4
4.
Section 1.1
Box Office Smash According to the Internet Movie Database, Avatar is tops based on box-office receipts worldwide. The table displays data on several movies.
Which variables are quantitative?
Required
2 points
2
Question 5
5.
Section 1.2
Use: statsmedic.com/applets
Variable: Day of the Week Births
Enter the names of the days of the week & their counts. Select 'analyze'. Select 'bar graph'.
Copy and paste the bar chart and put it in the 'show your work' section using the picture icon.
Also create a pie chart, copy and paste it next to the bar chart.
Required
1 point
1
Question 6
6.
1.2 Using the bar and pie charts you created for #5, describe what you see or notice about the different days on which babies are born.
Required
1 point
1
Question 7
7.
1.1 Using the information from #5, what is/are the individuals in the study?
Required
2 points
2
Question 8
8.
1.1 Using the information from #5, what is/are the variables that were recorded in the study?
Required
1 point
1
Question 9
9.
1.2
Using the Relative Frequency table above, what percent of the cars had an 'other' color?
Required
2 points
2
Question 10
10.
1.2 Using the frequency chart in #9, would it be appropriate to show the data in a pie chart? Why or why not?
Required
1 point
1
Question 11
11.
1.2
Estimate the % that 'Country' makes up in the pie chart above.
Required
3 points
3
Question 12
12.
1.2
How is the graph above misleading? Please explain.
Required
3 points
3
Question 13
13.
Favorite vehicle colors may differ among countries. The bar chart displays data on the most popular car colors in a recent year for the United States and Europe.
Write a few sentences comparing the distributions.