When data is collected using a qualitative, nominal variable, what is true about a frequency distribution that summarizes the data? select one: a. the "5 to the k rule" can be applied. b. a pie chart can be used to summarize the data. c. the upper and lower class limits must be calculated. d. the number of classes is equal to the number of variable's values plus 2.

to change your username, you must:

1) make sure what the username you want to change to is allowed in this community

2) contact a administrator (for example, jaysl)

3) through pm, tell the admin what you want to change to

4) if the username is allowed, it will be changed in a matter of seconds (minutes at most)

~

professionals can use many types of technology that can them. some examples are, computers (they research and can use for programs for data, they are also used for job applications, school work, and even to make new ideas), speedometers (can get data for unknown data), sometimes something as small as a pen (used for rough drafts, to insert data, and again job applications).