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The Choco Toppings, Inc. is one of the manufacturers of chocolate toppings which uses a machine to dispense liquid ingredients into bottles that move along a filling line. The owner claims that the machine can dispense at an average of 50 grams with a standard deviation of 0.7 grams. A sample of 35 bottles was selected and it was found out that the average amount dispensed in the sample is 49.3 grams. Test the claims of the owner of the company at 5% level of significance. What test statistic will be used?

A. z-test
B. population mean
C. t-test
D. standard deviation

Sagot :

The test statistics which will be used here is standard deviation.

What is standard deviation?

The standard deviation is a statistic that measures the dispersion of a dataset relative to its mean and is calculated as the square root of the variance. The standard deviation is calculated as the square root of variance by determining each data point's deviation relative to the mean.

A volatile stock has a high standard deviation, while the deviation of a stable blue-chip stock is usually rather low.

Thus, Option D is true, as standard deviation is the test statistics which will be used here.

Learn more about standard deviation here,

https://brainly.com/question/13905583

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