THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 77

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
For constructing a 95% confidence interval estimate for the difference between the means of two normally distributed populations,where the unknown population variances are assumed not to be equal,the summary statistics computed from two independent samples are as follows:
n₁ = 50,
₁ = 175,s₁ = 18.5,n₂ = 42,
₂ = 158,and s₂ = 32.4
-What is the upper confidence limit of the 95% confidence interval for the difference between the means?

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Definitions:

Displacement

A psychological defense mechanism where negative feelings are transferred from the original source of distress to a less threatening object or person.

General Intelligence

A theory suggesting the existence of a broad mental capacity that influences performance on cognitive ability measures.

Spatial Intelligence

The ability to think in three dimensions, involving the capacity to visualize and manipulate objects and spatial relationships in the mind.

Naturalist Intelligence

One of Howard Gardner's multiple intelligences, characterized by an ability to recognize, categorize, and draw upon certain features of the environment.