What is the formula for converting z-scores to percentiles
What is the formula for converting z-scores to percentiles? I want to build a tool in Excel so i can get percentiles from test scores on normally distributed psychometric tests.
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The half-life of 32P is 14.3 days. If you begin with 4.9 ?g (micrograms) of radioactive 32P in the form of Na2HPO4, what mass remains after 28.6 days (about one month)
If a distribution of test scores is normal with a mean of 78 and a standard deviation of 11, what percent of the area lies below 60?
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A bottle of wine consists of an 11 weight percent solution of ethanol (C2H5OH) in water. If the bottle of wine is chilled to -20^oC, will the solution begin to freeze
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How actually p value represents a distribution pattern whether it is normal or not? u explain the anderson-darling test regarding the normal graph.
How do we calculate the upper and lower limits of one sided and two sided 95% confidence level of difference in proportion when comparing two groups in clinical research.Could You kindly help with some formula for calculating these.
What is the p value associated with your sample mean wait and what conclusions can you draw from these results
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