A manufacturer of PC monitors is interested in the effects that the type of glass and the type of phosphor used in the manufacturing process have on the brightness of the monitors. The director of research and development has received anecdotal evidence that the type of glass does not affect the brightness of the monitor as long as phosphor type 2 is used. However, the evidence seems to indicate that the type of glass does make a difference if two other phosphor types are used. Here are data to validate this anecdotal evidence.

Conduct a procedure to verify or repudiate the anecdotal evidence.

Transcribed Image Text:

Phosphor Type Glass Type 279 307287 254 313290 297 243 253 252 245 232236 267 223 821 285 278