A score of 60 corresponds to a standardized value (z-value) of? D. 5 7) A. -5 B. - 1.5 C. 1.5 Approximately what percentage of test scores had z-scores between -3 and 37 D. 99% 8) A. 50% B. 68% C. 95%

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.