Which of the Following Is True with Respect to Axial

question 57

Multiple Choice

Which of the following is true with respect to axial calcaneal projections?
1) The image demonstrates an open talocalcaneal joint space.
2) The foot is flexed 90 degrees to the lower leg and rotated slightly laterally.
3) A 40-degree central ray is directed proximally.
4) The central ray is centered to the distal fifth metatarsal.

• A) 1 and 3 only
• B) 1 and 2 only
• C) 3 and 4 only
• D) 1, 3, and 4 only

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Definitions:

Chi-squared Goodness-of-fit Test

A statistical test used to determine whether sample data fits a population with a specified distribution.

Test Statistic

A value calculated from sample data during a hypothesis test. It is used to determine whether to reject the null hypothesis.

Chi-squared

A statistical test used to determine if there is a significant difference between observed frequencies and expected frequencies in categorized variables.

Critical Values

Specific points in the distribution of the test statistic beyond which the null hypothesis is rejected in hypothesis testing.