The weights of 9 of the medicine bottles are given below in grams. Xi = 100 99 101 102 103 100 99.5 100.5 99 Find the average amount of medicine bottles produced by the company by taking 5% of the error margin

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Q: If a person’s z score equals -2.02, what is their percentile?

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Q: What is the value of SS for this sample?

A: Given: n = 4  Σ X = 4 Σ X 2 = 32 The formula to calculate the SS is as follows:

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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.