Statistics is the science of collecting, organizing, summarizing, and analyzing information to draw a conclusion and answer questions. in addition, statistics is about providing a measure of confidence in any conclusions.
1. collection of info.
2. organization and summarization of info.
3. analyze info to draw conclusion or answer specific questions.
4. results should be reported with some measure that represent how convinced we are that our conclusion reflect reality.

Amanufacturing firm has been averaging 16.8 orders per week for several years. however, during a recession, orders appeared to slow. suppose the firm’s production manager randomly samples 31 weeks and finds an average of 15.6 orders with a standard deviation of 2.3 orders. using a 0.025 significance level, test whether the mean number of orders has decreased. type the full 5 step procedure into the answer box, then for multiple choice practice, answer the following: 1. what is the name and symbol of the parameter that you are testing? 2. what is the symbol and value of the point estimate of that parameter? 3. what distribution are you using to test this parameter? 4. what is the critical value? 5. what is the test statistic value? 6. what is the p-value?