20 points‼️‼️ Over 20 years, the population of a town decreased
by 275 people to a population of 850.

Justify your work/how did you do it?

How do you summarize data in a two-way frequency table?

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?