A Chi-Square Goodness-Of-Fit Test Is to Be Performed to See

question 45

Multiple Choice

A chi-square goodness-of-fit test is to be performed to see if data fit the Poisson distribution. There are 6 categories, and λ must be estimated. How many degrees of freedom should be used?

• A) 6
• B) 5
• C) 4
• D) 3
• E) 2

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Definitions:

Juxtaglomerular Apparatus

A structure in the kidney that helps regulate blood pressure by secreting renin in response to blood pressure changes.

Macula Densa Cells

Specialized cells located in the distal convoluted tubule of the kidney that help regulate blood pressure and filtration rate.

Juxtaglomerular Cells

Specialized cells in the kidney that help regulate blood pressure by secreting renin.

Renal Corpuscle

The initial filtering component of the nephron in the kidney, consisting of the glomerulus and Bowman's capsule.