Gwen Had an Ultrasound Done 60 Days After Conception

question 184

Multiple Choice

Gwen had an ultrasound done 60 days after conception. In the ultrasound image, she will see

• A)if the baby carries any recessive genes.
• B)the sex of the preborn baby.
• C)that it is a baby, not a cancerous tumor.
• D)very little because the embryo is so small.

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Definitions:

Chi-squared Test

An analytical test designed to evaluate whether there's a significant discrepancy between frequencies observed and those anticipated in various categories.

Contingency Table

A table used in statistics to display the frequency distribution of variables, showing the observed number of cases in each category.

Nominal Data

Data categorized without a natural order or ranking among the categories, such as gender or race.

Squared Difference

The result of squaring the difference between two values, often used in statistical calculations like variance.