Download Math 1040 Fall '06 Final Exam Part B: MCQs & Open-Ended and more Exams Mathematics in PDF only on Docsity!
Math 1040 Final Exam Form B - Fall Semester 2006
Name ______________________________ Instructor _____________________________
Student ID ________________________, ID Verification __________ Section Number ___________
This exam has two parts Part I - Ten multiple choice questions Part II - Choose TEN out of fifteen open ended questions - you MUST show your work and indicate which ten problems are to be graded.
Students are allowed to use the formula card from the text book
PART I: Questions 1 - 10, Multiple choice Answer all TEN questions and circle the correct answer
Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate.
- Salaries of college professors. A) Ordinal B) Nominal C) Interval D) Ratio
Find the indicated probability.
- You are dealt two cards successively (without replacement) from a shuffled deck of 52 playing cards. Find the probability that both cards are black. A) 0.0588 B) 0.245 C) 0.0045 D) 0.
Given the linear correlation coefficient and the sample size, determine the critical values of r and use your finding to state whether or not the given correlation coefficient represents a significant linear correlation. Use a significance level of 0.05.
- r = 0.887, n = 25 A) Critical values: r = ±0.487, significant linear correlation B) Critical values: r = ±0.396, significant linear correlation C) Critical values: r = ±0.487, no significant linear correlation D) Critical values: r = ±0.396, no significant linear correlation
Solve the problem.
- How many ways can an IRS auditor select 4 of 13 tax returns for an audit? A) 28,561 B) 715 C) 24 D) 17,
Use the margin of error, confidence level, and standard deviation to find the minimum sample size required to estimate an unknown population mean.
- Margin of error: $126, confidence level: 95%, σ = $ A) 63 B) 2 C) 5 D) 55
Find the indicated probability.
- The table below describes the smoking habits of a group of asthma sufferers.
Nonsmoker
Occasional smoker
Regular smoker
Heavy smoker Total Men 384 33 64 49 530 Women 349 44 72 38 503 Total 733 77 136 87 1033 If one of the 1033 people is randomly selected, find the probability that the person is a man given that they are a heavy smoker. A) 0.092 B) 0.004 C) 0.597 D) 0.
Construct the relative frequency distribution that corresponds to the given frequency distribution.
Scores Frequency 91 - 100 3 81 - 90 5 71 - 80 12 61 - 70 5 < 61 2 A)
Scores
Relative Frequency 91 - 100 11.1% 81 - 90 20.1% 71 - 80 37.3% 61 - 70 15.2% < 61 14.9%
B)
Scores
Relative Frequency 91 - 100 0.22% 81 - 90 0.07% 71 - 80 0.63% 61 - 70 0.07% < 61 0.00% C)
Scores
Relative Frequency 91 - 100 15.5% 81 - 90 22.1% 71 - 80 31.3% 61 - 70 16.2% < 61 14.9%
D)
Scores
Relative Frequency 91 - 100 11.11% 81 - 90 18.52% 71 - 80 44.44% 61 - 70 18.52% < 61 7.41%
Answer Key Testname: FALL06STATSFINALMC‐B
1) D
2) B
3) B
4) B
5) A
6) D
7) A
8) C
9) A
10) D
