A Population Changes with Time

question 17

Multiple Choice

A population changes with time.Its level after t years is given by the function .After a period of population increase, the population reaches a maximum value.What can be said about at this time? ​

• A) is positive.
• B) is negative.
• C) is zero.
• D) is linear.

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Definitions:

Kruskal-Wallis Test

A non-parametric method for testing whether samples originate from the same distribution, used as an alternative to the one-way ANOVA when the distribution assumption is violated.

F-test

A statistical test used to compare two variances and determine if they come from populations with equal variances.

Kruskal-Wallis Test

A nonparametric method for testing whether samples originate from the same distribution, used when the assumption of normality in ANOVA is violated.

P-value

The probability of observing test results at least as extreme as the results actually observed, under the assumption that the null hypothesis is true.