Formulate the Null and Alternative Hypothesis in Each Case

question 103

Essay

Formulate the null and alternative hypothesis in each case:
a.Ten years ago the average American drank 2.5 cups of coffee per day.You suspect that amount has changed since then.
b.A researcher at Ohio State University speculates that the average SAT score for entering freshmen is higher than the national average of 1,650.
c.The manager of the University of Iowa bookstore suspects the average amount of money a student spends on books is less than the reported $400.

---

Definitions:

Email

A method of exchanging digital messages over the Internet using electronic devices like computers and smartphones.

Communication Across Organization

This involves the processes and methods used to share and exchange information throughout different levels and departments within an organization.

Encoding

Encoding in communication is the process of converting ideas into a message using symbols, words, or gestures to convey information to another.

Decoding

The process of interpreting and understanding the meaning of information received in communication.