### Standardized test with a standard deviation

Assignment Help Basic Statistics
##### Reference no: EM13103622

A mean score on a standardized test is 50 with a standard deviation of 10. Answer the following:

a) What scores fall between -1 and +1 standard deviation?

b) What percent of all scores fall between -1 and +1 standard deviation?

c) What score falls at +2 standard deviations?

d) What percentage of scores falls between +1 and +2 standard deviations?

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