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How do you convert your 1979 ACT score to percentile scores?
To convert your 1979 ACT score to percentile scores, you can reference historical data from the ACT organization, which provides percentile ranks for various scores. You may need to find a specific ACT score percentile table from that year, as percentiles can change annually based on the performance of test-takers. Alternatively, tools or resources that aggregate historical ACT data can help you identify the corresponding percentile for your score. If you cannot find specific data from 1979, you might consider using more recent percentile data as a general guide, keeping in mind that it may not be perfectly accurate for that year.
How do you convert 7.9million into standard value?
Convert 7.9 million into standard value
Assume that aset of test scores is normally distributed with a mean of 100 and a standard deviation of 20 use the 68-95-99?
68% of the scores are within 1 standard deviation of the mean -80, 120 95% of the scores are within 2 standard deviations of the mean -60, 140 99.7% of the scores are within 3 standard deviations of the mean -40, 180
Test scores have a mean of 100 and a standard diviation of 20 what is the relative frequency of scores under 120?
Approx 84%.
What is the mean and standard deviation of a distribution of T-scores?
The answer depends on the degrees of freedom (df). If the df > 1 then the mean is 0, and the standard deviation, for df > 2, is sqrt[df/(df - 2)].
