# QNT561 QNT/561 Week 5 Problem Set - 27755

Solution Posted by

## karapuz

Rating : (193)A+
Solution Detail
Price: \$10.00
• Posted on: Sat 05 Oct, 2013
• Request id: None
• Purchased: 6 time(s)
• Average Rating: (95) A+
Request Description

This is not step-by-step solution, it's the question/answers solution. MyStatLab has an option "View an Example" that has all the formulas. I have the works for all practice quizzes though. 1. A new type of screening for lung cancer, CT, has been developed.

2. A study of Machiavellian traits in salesmen was performed.

3. Consider the accompanying dot plots A and B. Complete the ANOVA table for both dot plots. Plot A: 6,7,8,8,9,10; 12,13,14,14,15,16. Plot B: 5,7,7,11,11,13; 10,10,12,16,18,18.

4. The data in the table to the right resulted from the experiment that utilized a completely randomized design.

 Treatment 1 Treatment 2 Treatment 3 3.9 5.1 1.4 1.4 2.7 0.8 4.2 4.5 2.0 5.4 3.7 2.0

5. The partially completed ANOVA for 3×4 factorial experiment with two replications is shown to the right:

 Source df SS MS F A - 0.3 - - B - 6.6 - - AB - 8.7 - - Error - - - Total - 16.3

6. A study of four different types of egg housing system was performed.

 Cage/M Cage/L Free/M Free/L Barn/M Barn/L Organic/M Organic/L 483 489 525 513 526 533 514 524 451 486 511 530 526 486 493 560 508 473 525 524 531 516 532 522 483 477 458 471

7. What conditions must n satisfy to make x^2 test valid?

8. The table to the right gives the breakdown of the root causes of a sample of 91 industrial accidents…Test using a=0.05.

 System Cause Number of Incidents Design 28 Procedures 26 Management 24 Training 13 Total 91

9. Each day’s proportion of one week’s total truck traffic is shown in the table to the right…Test using a=0.01.

 Proportion Number Monday 0.194 93 Tuesday 0.192 86 Wednesday 0.182 80 Thursday 0.178 69 Friday 0.157 51 Saturday 0.041 25 Sunday 0.056 30

10. Find the rejection regions for a test of independence of two classifications: a). a=0.05, r=4, c=6; b). a=0.10, r=5, c=6; c). a=0.01, r=4, c=5.

11. Test the null hypothesis of independence of the two classifications. Test using a=0.05.

 B1 B2 B3 A1 40 71 42 A2 63 53 72 A3 31 38 30

12. A researcher examined the political strategies used by the ethnic groups worldwide in their fight for minority rights. Each in a sample of 277 ethnic groups…Conduct a test using a=0.10.

 World Region No Political Action (N) Mobilization, Mass Action (M) Terrorism, Rebellion, Civil War (T) Totals A 24 31 7 62 B 32 23 4 59 C 12 22 27 61 D 39 36 20 95 Totals 107 112 58 277
Solution Description

Attachments