Find the mean of the data summarized in the given frequency distribution.The manager of a bank recorded the amount of time each customer spent waiting in line during peak business hours one Monday. The frequency distribution below summarizes the results. Find the mean waiting time. Round your answer to one decimal place.

Nationalities of survey respondents.

To avoid working late, a quality control analyst simply inspects the first 100 item produced in a day.

The sample of spheres categorized from softest to hardest.

  A histogram aids in analyzing the _____________ of the data.

The number of freshmen entering college in a certain year is 621.

The following frequency distribution analyzes the scores on a math test. Find the class boundaries of scores interval 40-59.  Scores # of Students 40 – 59 2 60 – 75 4 76 – 82 6 83 – 94 15 95 – 99 5 Scores Number ofA) 39.5, 59.5 B) 40.5, 59.5 C) 39.5, 58.5 D) 40.5, 58.5

_______________ molecules attract lipids and avoid water, while _______________ molecules attract water and avoid lipids.

Fat cells

The accumulation of fluid in tissues is called