exam1-f97 - COURSE: MSCI 3700 EXAM 1 Name: S.S.#:...

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

View Full Document Right Arrow Icon
COURSE: MSCI 3700 Name: EXAM 1 S.S.#: INSTRUCTOR: Dr. Spalding SEMESTER: FALL 97 Consider the following data for answering the next 6 questions. -8, 1, -5, 1, 7, 7, -3 1. Calculate the value of the Mean from the data. a. -5 b. -8 c. 0 d. 10 e. 8 2. What is the value of the Median? a. 1 b. -12 c. -5 d. 10 e. -1 3. Select the number of modes a. No Mode b. Unimodal c. Bimodal 4. What is the value of the Variance? a. 28.40 b. 10 c. -5 d. 33
Background image of page 1

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

View Full DocumentRight Arrow Icon
e. -33 5. What is the value of the Standard deviation? a. 5.05 b. 5.74 c. 10.00 d. -5.77 e. -7.33 6. What is the value of the Range? a. -18 b. -15 c. -10 d. 12 e. 15 7. Suppose that 20% of all college students smoke cigarettes. A sample of 18 is selected randomly. What is the probability that between 1 and 4 ( inclusive ) students smoke? a. 3.6 b. 0.7284 c. 0.6984 d. 0.2355 e. 4.0 8. A student takes an exam containing 11 multiple choice questions. The probability of choosing a correct answer by knowledgeable guessing is 0.4. If the student makes knowledgeable guesses, what is the probability that he will get
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 / 6

exam1-f97 - COURSE: MSCI 3700 EXAM 1 Name: S.S.#:...

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