Complete the following:
1. The number of sick days taken (per month) by 200 factory workers. The cumulative percent frequency for the class of 16-20 is
Number of Days Frequency
0-5 120
6-10 65
11-15 14
16-20 1
2. A survey of 400 college seniors resulted in the following cross tabulation regarding their undergraduate major and whether or not they plan to go to graduate school. Of those students who are majoring in business, what percentage plans to go to graduate school?
Undergraduate Major
Graduate School Business Engineering Other Total
Yes 35 42 63 140
No 91 104 65 260
Total 126 146 128 400
3. The number of sick days taken (per month) by 200 factory workers. The cumulative frequency for the class of 11-15 is
Number of Days Frequency
0-5 120
6-10 65
11-15 14
16-20 1
4. The number of sick days taken (per month) by 200 factory workers. The number of workers who took at most 10 sick days per month was
Number of Days Frequency
0-5 120
6-10 65
11-15 14
16-20 1
5. Information on the type of industry is provided for a sample of 50 Fortune 500 companies. The percent frequency of industries that are classified as electronics is
Industry Type Frequency
Banking 7
Consumer Products 15
Electronics 10
Retail 18