Sample Exercise Problems

Sample Exercise Problems - Sample Exercise Problems...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Sample Exercise Problems Questions 1 through 4 refer to the following data for the weight of trucks crossing a small bridge on Highway 377 during one day to be used to look at stress on the bridge. The truck weights and frequencies are shown in the following table. Truck weights (000 #) Frequency 28 and < 32 12 32 and < 36 22 36 and < 40 28 40 and < 44 20 44 and < 48 18 1. The cumulative frequency of the 3 rd class is: A. 3 B. 28 C. 62 D. 76 2. The relative frequency for the 3 rd class is _______________. A. 0.28 B. 0.33 C. 0 .62 D. 0.90 3. The cumulative relative frequency for the 2nd class is ___________. A. .220 B. .340 C. .360 D. .620 4. What percentage of the trucks noted in the table above, had weights 36,000# or greater? A. 28.0% B. 40.0% C. 66.0% D. 88.0%
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Use the following sample values to answer questions #1 through #6: 5, 9, 8, 7, 11, 6 1. What is the sample mean? 1. A. 4.67 B. 6.00 C. 7.50 D. 7.67 2. 2.
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 5

Sample Exercise Problems - Sample Exercise Problems...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online