The Distance (In Thousands of Miles) Traveled by Buses Before

question 36

Short Answer

The distance (in thousands of miles) traveled by buses before their first major motor failure is distributed below, with an estimated mean and standard deviation of 95.7 and 38.1. Also shown are the expected frequencies of these intervals if the original population was a normal distribution.
What is the chi-square test statistic for testing the hypothesis that the original population is a normal distribution?

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Definitions:

First Week

The initial seven-day period of time, often used in reference to specific processes, events, or stages in development.

Gas Exchange

The process of obtaining oxygen from the environment and releasing carbon dioxide, crucial for respiration in living organisms.

Chorion

Extraembryonic membrane functioning for respiratory exchange in birds and reptiles; contributes to placenta formation in mammals.

Allantois

Extraembryonic membrane that accumulates nitrogenous wastes in the eggs of reptiles, including birds; contributes to the formation of umbilical blood vessels in mammals.