BA6933 Chapter-17
1.The data below from the State Division of Motor Vehicles (DMV) shows the rate of new driver’s license applications. Month Week1 Application April 1 238 2 199 3 215 4 212 May 1 207 2 211 3 196 4 206…
Category Statistics
1.Future events that cannot be controlled by the decision maker are called _.A) states of nature 2.Exhibit 20-5Below is a payoff table involving three states of nature and three decision alternatives. DecisionAlternative S1 S2 S3 A -20 10 15 B…
BA6933-Week-5 Asst( 13 & 14)
2 6 9 13 20 7 18 9 26 23 a. Which of the following scatter diagrams accurately represents the data? C b. Develop the estimated regression equation for these data (to decimal). 0.9 7.6 7.6 0.9 c. Use the estimated regression equation to…
BA6933 Week(15 & 16)
a. Interpret , , , and in this estimated regression equation. Assume that for each coefficient statement, the remaining three variables are held constant (to 1 decimal). 3.8 estimated change in per unit change in -2.3 estimated change in per unit change in 7.6 estimated change in per unit change in …
BA6933 Statistics Week 7 Quiz (Chapter 15 and 16)
a. the dependent variable only assumes two continuous values. b. there are two dependent variables. c. the dependent variable only assumes two discrete values. d. there can only be two independent variables 2. A regression model between sales (y in $1000),…
BA6933 Week 2 Quiz (Chapter 4 & 5 and 6)
a. larger than the probability of tails. b. 0. c. 1 d. 1 2. The intersection of two mutually exclusive events a. can be any positive value. b. can be any value between 0 to1. c. must always be equal…
BA6933 Statistics Week 2 Quiz (Chapters 4 & 5 and 6)
a. 2 b. 4 c. 16 d. 12 2. Revised probabilities of events based on additional information are a. marginal probabilities. b. complementary probabilities. c. joint probabilities. d. posterior probabilities. 3. If P(A) = 0.62, P(B) = 0.47, and P(A…
BA6933 chapters 7 & 8 Solutions
a. .60 and .02 b. .60 and .14 c. 320 and .02 d. 192 and 45 2. A finite population correction factor is needed in computing the standard deviation of the sampling distribution of sample means a. whenever the sample…
BA6933 Statistics Week 3 Quiz ( Chapter 7 & 8 )
a. 40 b. 15 c. 1.875 d. 5 2. Random samples of size 17 are taken from a population that has 200 elements, a mean of 36, and a standard deviation of 8. The mean and the standard deviation of…
BA6933 QUIZ
1.For a two-tailed hypothesis test with a sample size of 20 and a .05 level of significance, the critical values of the test statistic t are a. -2.086 and 2.086. b. -1.729 and 1.729. c. -2.093 and 2.093. d. -1.725 and 1.725…