A researcher recruits 5 males and 15 females into a sleep study (n=20) and records their mid-day blood glucose level. These glucose scores are transformed into Z-scores. 3. What is the value of s_z, the standard deviation of the sample of Z scores? a.0 b.1 с. 19 d. s_z cannot be calculated without more information 4. What is the value of SS_z, the sum of squared deviations, for the sample of 20 Z-scores? a. 0 b. 1 C. 19 d. Cannot be calculated without more information

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.