Supervisors control which of the following?

Define and describe a business ecosystem. Give an example of a business ecosystem

What will be an ideal response?

A cell phone company wants to determine if the use of text messaging is independent of age. The following data has been collected from a random sample of customers

Regularly use text messaging Do not regularly use text messaging Under 21 82 38 21-39 57 34 40 and over 6 8 Using this data, if we wish to test whether the preferred news source is independent of age using a 0.05 level of significance, the critical value is 5.9915. Indicate whether the statement is true or false