A Chi-Square Goodness of Fit Test for a Normal Distribution

question 82

Multiple Choice

A chi-square goodness of fit test for a normal distribution used 60 observations, and the mean and standard deviation were estimated from the sample. The test used seven categories. We would use how many degrees of freedom in looking up the critical value for the test?

• A)6
• B)4
• C)59
• D)57

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Definitions:

Nutrient Density

A measure of the amount of nutrients a food contains in relation to the number of calories.

Skin Turgor

Skin turgor refers to the skin's elasticity or its ability to change shape and return to normal. It's commonly assessed to evaluate hydration status in individuals.

Urinary Sodium

The concentration of sodium ions in urine, reflecting the body's sodium intake, retention, and excretion.

Osteoporosis

A condition characterized by the weakening of bones, making them fragile and more likely to break.