A researcher believes that the median lowest temperature for February is 30 degrees Fahrenheit. A random sample of 14 years yields the following lowest temperatures for February, in degrees Fahrenheit:
15 15 17 19 19 21 22 24 25 27 30 32 36 38
Test the researcher's hypothesis at α = 0.05.
You may use the following abbreviated table of critical values (two tailed, = .05) taken from Table J:
A) Reject the claim because the test value 4 is more than the critical value 3.
B) Do not reject the claim because the test value 3 is equal to the critical value 3.
C) Reject the claim because the test value 4 is more than the critical value 2.
D) Do not reject the claim because the test value 3 is more than the critical value 2.

Question

A researcher believes that the median lowest temperature for February is 30 degrees Fahrenheit. A random sample of 14 years yields the following lowest temperatures for February, in degrees Fahrenheit:
15 15 17 19 19 21 22 24 25 27 30 32 36 38
Test the researcher's hypothesis at α = 0.05.
You may use the following abbreviated table of critical values (two tailed,  = .05) taken from Table J: 
A) Reject the claim because the test value 4 is more than the critical value 3. 
B) Do not reject the claim because the test value 3 is equal to the critical value 3. 
C) Reject the claim because the test value 4 is more than the critical value 2. 
D) Do not reject the claim because the test value 3 is more than the critical value 2.

Quizplus · Accepted Answer

The Answer of A researcher believes that the median lowest temperature for February is 30 degrees Fahrenheit. A random sample of 14 years yields the following lowest temperatures for February, in degrees Fahrenheit:
15 15 17 19 19 21 22 24 25 27 30 32 36 38
Test the researcher's hypothesis at α = 0.05.
You may use the following abbreviated table of critical values (two tailed,  = .05) taken from Table J: 
A) Reject the claim because the test value 4 is more than the critical value 3. 
B) Do not reject the claim because the test value 3 is equal to the critical value 3. 
C) Reject the claim because the test value 4 is more than the critical value 2. 
D) Do not reject the claim because the test value 3 is more than the critical value 2.

A Researcher Believes That the Median Lowest Temperature for February