A Scatterplot Is Graphed with the Time It Takes a Child

question 16

True/False

A scatterplot is graphed with the time it takes a child to get dressed in the morning on the horizontal axis,and the child's age in years on the vertical axis.The graph shows a negative correlation because the time decreases as the age of the child increases.

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Definitions:

Null Hypothesis

A statistical hypothesis that suggests there is no significant effect or difference between certain data sets or variables.

One-Tail T-Test

A statistical hypothesis test used to determine if there is a significant difference in the means of two groups in one direction.

Level Of Significance

The level of significance, often denoted by alpha, is a threshold set for deciding whether to reject the null hypothesis, typically set at values like 0.05 or 0.01.

Rejection Region

The rejection region is the range of values in hypothesis testing that leads to the rejection of the null hypothesis if the test statistic falls within this range.