The Standardization of Screw Threads Was Achieved in ____ in 1949

question 39

Multiple Choice

The standardization of screw threads was achieved in ____ in 1949.

• A) the United Kingdom
• B) Canada
• C) the United States
• D) all of the above
• E) none of the above

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Definitions:

Student-t

A probability distribution used in statistical science, particularly in scenarios with small sample sizes or unknown variances.

F-distribution

A probability distribution that arises in the testing of whether two sample variances are equal, used in ANOVA and other tests involving multiple variances.

Chi-squared Distribution

A distribution used in statistics that measures how expectations compare to actual observed data, particularly in the context of categorical variables.

Binomial Distribution

A probability distribution that represents the number of successes in a fixed number of independent trials, with each trial having only two possible outcomes and a constant probability of success.