Analyzing Data Answers

A local meteorologist reports the day’s weather."Currently sunny outside, 34°F. Skies will become overcast later this afternoon, as temperatures drop to 25°F, with windy conditions out of the north at 10–15 miles per hour. Radar indicates 2–3 inches of snow expected to fall later tonight.”Which information is qualitative? These are non-numerical, descriptive data.These are numerical data that have been measured.

Analyze the scatterplot graph.

Look at the graph.

View the frequency distribution graph about people who regularly use a specific cell phone app.

View the graph of sun hours in a city. It can be predicted that in the following year, this city can expect the hours of sunshine to significantly increase after which month?

View the spinner.

View the spinner.

Which represents a linear graph?

Look at the data tables below.

A pharmaceutical company claimed that experiments showed that its drug could effectively reduce the growth of cancer cells by 35 percent. However, when five independent laboratories conducted the same experiment, they measured a reduction rate of only 5–8 percent.How did these laboratories show that the pharmaceutical company’s claims were invalid?