Halophiles are commonly found in which of the following environments?

What is the range for this set of data?

What value is at the 40th percentile in this data set?

You would like to determine the typical salary for employees at a company that employs 40 people.  37 employees have salaries between $30,000 and $50,000.  The CEO earns $150,000.  The CFO earns $100,000.  And the COO earns $120,000. Which measure of center would be best to represent a typical salary of an employee at this company?

A 5-number summary of a data set is given by:   6,  14,  16,  20,  36. Which statement below is TRUE?

Use the following situation to answer Questions 7-9. A questionnaire provides 57 Yes, 42 No and 21 No Opinion answers.     What is the relative frequency of “Yes” responses?

Use the following information to answer Questions 13 to 16 15 student workers were asked how many hours they spent at their jobs during the first week of the semester.  Their answers are below: 4,  5,  7,  9,  10,  10,  12,  16,  19,  20,  21,  21,  21,  28,  35   Determine the mode.  Select all answers that apply.

Use the following information to answer Questions 19 to 21 The following is a set of sample data which has a mean of 40.  52,  34,  40,  38,  46,  30 Calculate the variance.

A survey was conducted to determine the ages of the 75 people attending the premiere showing of the movie Wicked at the Tinsel Town Theater.  Some of the results of that survey are in the partial table below.  Using the information provided, fill in the blanks in the table. Ages Frequency Cumulative Frequency Relative Frequency 0-19 21 20-39 24 40-59 0.20 60-79 69 80-99

In the construction of a pie chart, how many degrees would be in the section of the pie showing the “Yes” answers?