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My name is Ann [436]
3 years ago
11

{4} = \frac{21}{14} " alt=" \frac{7}{4} = \frac{21}{14} " align="absmiddle" class="latex-formula">
Determine if the following ratios form a porportion.
Mathematics
1 answer:
aev [14]3 years ago
8 0
This looks super duper hard wish I can solve it out
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Varvara68 [4.7K]
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A standardized variable always has a mean of​ _______ and a standard deviation of​ _______. b. The​ z-score corresponding to an
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Answer:

Step-by-step explanation:

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

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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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