TABLE 10-2 A Researcher Randomly Sampled 30 Graduates of an MBA Program

question 98

Short Answer

TABLE 10-2
A researcher randomly sampled 30 graduates of an MBA program and recorded data concerning their starting salaries. Of primary interest to the researcher was the effect of gender on starting salaries. The result of the pooled-variance t test of the mean salaries of the females (Population 1) and males (Population 2) in the sample is given below.

-Referring to Table 10-2, what is the 90% confidence interval estimate for the difference between two means?

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Definitions:

Sedimentary Facies

Different sections of a sedimentary environment that exhibit distinct characteristics in terms of composition, appearance, and means of origin.

Regression

Regression in geology refers to the retreat of the sea from the land, resulting in the exposure of previously submerged areas, often indicating a relative drop in sea level or uplift of the land.

Subduction

The process by which one tectonic plate moves under another plate and into the mantle, often associated with volcanic activity.

Mudcracks

Patterns of cracks formed by the drying of mud, indicative of alternating wet and dry conditions, found in both modern and ancient sediments.