Buyer's Digest is rating thermostats manufactured by two manufacturers, Thermorite and Tempking. In a recent test, 28 thermostats from Thermorite and 12 thermostats from Tempking were randomly selected and placed in a test room that was maintained at a temperature of 68°F. Average temperature readings were as follows: Thermorite: 68 Tempking: 66 Sample standard deviations were: Thermorite: 0.52 Tempking: 0.8 If we want to conduct a hypotheses test with a-05 to see whether the temperature reading variance for Thermorite is smaller than Tempking. what is the correct test statistic? (Round your answer to three decimal places) Test Statistic

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Buyer's Digest is rating thermostats manufactured by two manufacturers, Thermorite and Tempking.
In a recent test, 28 thermostats from Thermorite and 12 thermostats from Tempking were randomly selected and placed in a test
room that was maintained at a temperature of 68°F.
Average temperature readings were as follows:
Thermorite: 68
Tempking: 66
Sample standard deviations were:
Thermorite: 0.52
Tempking: 0.8
If we want to conduct a hypotheses test with a-05 to see whether the temperature reading variance for Thermorite is smaller than
Tempking.
what is the correct test statistic? (Round your answer to three decimal places)
Test Statistic
Transcribed Image Text:Buyer's Digest is rating thermostats manufactured by two manufacturers, Thermorite and Tempking. In a recent test, 28 thermostats from Thermorite and 12 thermostats from Tempking were randomly selected and placed in a test room that was maintained at a temperature of 68°F. Average temperature readings were as follows: Thermorite: 68 Tempking: 66 Sample standard deviations were: Thermorite: 0.52 Tempking: 0.8 If we want to conduct a hypotheses test with a-05 to see whether the temperature reading variance for Thermorite is smaller than Tempking. what is the correct test statistic? (Round your answer to three decimal places) Test Statistic
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