Use Excel or Minitab to conduct a two-sample t-test for data in the table above
What will be an ideal response?
Two sample T for C1 vs. C2
Variable N Mean StDev SE Mean
C1 10 7.80 1.02 0.32
C2 10 6.48 2.38 0.75
95% CI for mu C1 - mu C2: (-0.47, 3.11 )
T-Test mu C1 = mu C2 (vs. not =): T = 1.61, P = 0.13, DF = 12
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What will be an ideal response?
Information regarding the ACT scores of samples of students in three different majors is given below.
Major
Management
Finance
Accounting
Sample size12
9
12
Average24
25
26
Sample variance18
7
10
?
a.Compute the overall sample mean 
.b.Set up the ANOVA table for this problem including the test statistic.c.Using ? = .01, determine the critical value of F.d.Using the critical value approach, test to determine whether there is a significant difference in the means of the three populations.e.Determine the p-value and use it for the test.
What will be an ideal response?
In In re Polar Bear Endangered Species Act Listing, the listing of the polar bear as a threatened specie was challenged. It is not endangered today but could be in the future. The listing by the Fish and Wildlife Service (FWS) was attacked as arbitrary and capricious. The appeals court held that:
a. courts may not review decisions of the FWS regarding such listings b. the listing was proper as FWS explalined its rationale sufficiently c. the listing was improper because the FWS failed to show that its survival was in danger unless very strange assumptions were made d. the listing was arbitrary and capricious as the FWS failed to justify its decision based on scientific evidence e. none of the other choices
A(n) ________ market is one that provides expertise and products for a specific industry (i.e., automobiles).
A. vertical B. horizontal C. indirect D. buyer-biased