If the Sun Spends 10 Billion Years on the Main

question 67

Multiple Choice

If the Sun spends 10 billion years on the main sequence,how long will a star 100 times more massive than the Sun spend there?

• A) 10⁵ years
• B) 3 × 10⁶ years
• C) 10⁹ years
• D) 10¹¹ years

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Definitions:

Measurement Error

Refers to the difference between the true value of a measurement and the recorded value due to various factors such as instrument error or human error.

T-tests

Statistical tests used to compare the means of two groups and determine if they are significantly different from each other.

Statistically Different

Being statistically different means that observed differences between groups or variables in a study are unlikely to have occurred by chance, according to statistical analysis. This distinction supports the idea that the observed effects reflect true differences in the populations being studied.

Correlation Coefficients

Statistical measures that quantify the direction and strength of the relationship between two numerical variables.