Statistics Assignmet 1: Bottling Company Example

Assignment 1: Bottling Company Example

With this project we were given the case of buyer complaints the fact that bottles of the trademark of soda pop produced in we contained less than the advertised sixteen ounces of product. Our employer wants us to solve the situation at hand and has said to investigate. I possess asked my personal employees to pull Thirty (30) bottles from the line at random from each of the shifts in the bottling flower. The first step in fixing this problem should be to calculate the mean (x bar), the median (mu), and the common deviation (s) of the sample. All of those computations were conveniently computed in excel. The mean was computed by simply entering: =average, the median by: =median, and the an std. dev. simply by: = sama dengan std dev. The corresponding beliefs are back button bar = 14. 87, mu sama dengan 14. almost 8, and s i9000 = zero. 550329055. The next measure in resolving the problem is to create a 95% confidence span for the regular amount in the company's 16-ounce bottles. The confidence interval was constructed by attracting a normal syndication with c = 95%, a sama dengan 0. 050, and Zc = zero. 025. The Zc worth was entered into the Z◘ (z box) function inside the Aleks calculator that led to a Z score of +1. 96 and -1. 96. We calculate the conventional error (SE) by separating the h by the Sq . root of d which is the sample size. The perimeter of error is calculated by growing the z . score = 1 . ninety six by the an std. dev. = 0. 5503/the square reason behind n sama dengan 5. 4772. The result is a 0. 020 margin of error. The margin of error is added to and subtracted in the mean to offer two numbers the lower and upper ideals. The lower worth is 14. 85 and the upper value is 13. 89. So , we can say that with 95% confidence the mean of the sample is usually between 18. 85 and 14. fifth there’s 89. The next step in solving the equation should be to complete a speculation test. With this test the null and alternative hypotheses must be determined. Since the state is that the test is less than the mean...

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