PROBLEM 2E

Let X1,X2, . . . ,X5 be a random sample of SAT mathematics scores, assumed to be N(μX, σ2), and let Y1,Y2, . . . ,Y8 be an independent random sample of SAT verbal scores, assumed to be N(μY, σ2). If the following data are observed, find a 90% confidence interval for μX − μY:

STAT 250 Jan 23,25 David Holmes Section 1.1 • Overview What is Statistics Statistics is the Science of Reasoning with Data Collecting, Organizing, Summarizing, and Analyzing observations (called data) to draw conclusions, answer questions, and gain understanding....