Four different thermometers were used to measure the temperature of a sample of impure boiling water. The measurements are recorded in the table below. ThermometerTemperature Reading 1Temperature Reading 2Temperature Reading 3 W100.1°C99.9°C96.9°C X100.4°C102.3°C101.4°C Y90.0°C95.2°C98.6°C Z90.8°C90.6°C90.7°C The actual boiling point of pure water is 100.0°C. What can be concluded from the data about the reliability and validity of the thermometers?