When You Install and Launch an App for the First

question 17

Multiple Choice

When you install and launch an app for the first time, calling Prefer-enceManager method setDefaultValues sets the app’s default prefer-ences—this creates and initializes the app’s ________ file using the default values that you specified in preferences.xml.

• A) Settings
• B) Preferences
• C) SharedPreferences
• D) SharedSettings

Recognize the use and function of different types of mechanical seals and retainers.

Identify the characteristics and applications of various types of belts.

Distinguish between different types of bearings and their load capacities.

Describe the designs and applications of roller bearings.

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Definitions:

Degrees of Freedom

The quantity of variable values available in the concluding computation of a statistic.

Variability

A measure of the dispersion or spread of data points in a dataset, showing how much the data points differ from each other.

Sample Standard Deviations

A measure that quantifies the amount of variation or dispersion of a set of sample data values from the mean.

Test Statistic

A calculated value from sample data that is used in a hypothesis test to determine whether to reject the null hypothesis, based on some statistical model.