Your friend is thinking about buying shares of stock in a company. you have been tracking the closing prices of the stock shares for the past 90 trading days. which type of graph for the data, histogram, pareto or time-series, would be the best to show your friend? why?

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?