Sue Has a High Prepregnancy Body Mass Index, Classifying Her

question 21

Multiple Choice

Sue has a high prepregnancy body mass index, classifying her as overweight. Her weight gain goal should be how many pounds?

• A) 10 to 15
• B) 15 to 25
• C) 25 to 35
• D) 28 to 40

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Definitions:

Significance Level

The significance level, often denoted as alpha, is the probability of rejecting the null hypothesis in a statistical test when it is actually true, representing the risk of a type I error.

Type I Error

The error made when a true null hypothesis is incorrectly rejected, often referred to as a "false positive."

P Value

The probability of obtaining test results at least as extreme as the results actually observed, assuming that the null hypothesis is true.

Confidence

The degree of certainty or trust in a statistical or experimental result, often expressed as a confidence interval or level.