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scoray [572]
3 years ago
15

A standardized variable always has a mean of​ _______ and a standard deviation of​ _______. b. The​ z-score corresponding to an

observed value of a variable tells you​ _______. c. A positive​ z-score indicates that the observation is​ ______ the​ mean, whereas a negative​ z-score indicates that the observation is​ _______ the mean
Mathematics
1 answer:
Feliz [49]3 years ago
6 0

Answer:

Step-by-step explanation:

We know that normal distribution as special characteristics such as symmetry, unimodal, no skewness, mean =median=mode, etc

A standardized variable for normal variable X is

Z = \frac{x-\mu}{\sigma} will be normal with mean =0 and sigma =1

The probability will be divided equally on either side of the mean =0 i.e. y axis

Hence the answers would be

A standardized variable always has a mean of​ __0_____ and a standard deviation of​ ___1____. b. The​ z-score corresponding to an observed value of a variable tells you​ ____the std normal score.___. c. A positive​ z-score indicates that the observation is​ __to the right ____ the​ mean, whereas a negative​ z-score indicates that the observation is​ __to the left_____ the mean

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