A health professional obtains records for 33 patients who have undergone a certain surgical procedure and finds the average length of stay is 3.23 days with a standard deviation of 1.58 days. Using a = 0.10, is there evidence to suggest the actual average length of stay for this surgical procedure is 3 days? What are the hypotheses? Ho: µ = 3.23 vs H1:µ # 3.23 Ho:u = 3 vs H1: µ # 3 Họ:ē = 3 vs H1 : ē + 3 O Ho: = 3.23 vs H1: 3.23 Calculate the test statistic using the correct letter. t = - 0.84 t = 0.84 z = 0.84 Oz= -0.84 Determine the critical values. ±1.691 Q+1.694 O+1.307 1.692 O+1.282 O+1.309 O+1.645

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A health professional obtains records for 33 patients who have undergone a certain surgical procedure and
finds the average length of stay is 3.23 days with a standard deviation of 1.58 days. Using a =
evidence to suggest the actual average length of stay for this surgical procedure is 3 days?
0.10, is there
What are the hypotheses?
O Ho: µ = 3.23 vs H1: µ # 3.23
Ho:u = 3 vs H1 :µ#3
Họ : =
%3D
3 vs H1: + 3
Ho: =
3.23 vs H1: + 3.23
%3D
Calculate the test statistic using the correct letter.
= - 0.84
t = 0.84
z = 0.84
= Z
- 0.84
Determine the critical values.
O+1.691
Q+1.694
±1.307
+1.692
+1.282
土1.309
O+1.645
Transcribed Image Text:A health professional obtains records for 33 patients who have undergone a certain surgical procedure and finds the average length of stay is 3.23 days with a standard deviation of 1.58 days. Using a = evidence to suggest the actual average length of stay for this surgical procedure is 3 days? 0.10, is there What are the hypotheses? O Ho: µ = 3.23 vs H1: µ # 3.23 Ho:u = 3 vs H1 :µ#3 Họ : = %3D 3 vs H1: + 3 Ho: = 3.23 vs H1: + 3.23 %3D Calculate the test statistic using the correct letter. = - 0.84 t = 0.84 z = 0.84 = Z - 0.84 Determine the critical values. O+1.691 Q+1.694 ±1.307 +1.692 +1.282 土1.309 O+1.645
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