Sam conducted a survey at lunchtime to find the number of hours that students spent studying for the science test. He asked 15 different students how much time they spent studying. Sam drew a line plot of the data. His plot has a spread of 2.25 and peaks at 1.75 hours. Which graph line plot did Sam draw?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?