3. Make up a situation where a quantity is changing. a. Explain what it means to have a negative change.
b. Explain what it means to have positive change.
C. Give an example of each

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

Find x to the nearest hundredth place

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