A medical researcher wants to determine if the average hospital stay of patients

Question

A medical researcher wants to determine if the average hospital stay of patients that undergo a certain procedure is different from 7.1 days. The hypotheses for this scenario are as follows: Null Hypothesis: = 7.1, Alternative Hypothesis: 7.1. If the researcher takes a random sample of patients and calculates a p-value of 0.9684 based on the data, what is the appropriate conclusion? Conclude at the 5% level of significance.

Question 7 options:

1) We did not find enough evidence to say the true average hospital stay of patients is longer than 7.1 days. 2) The true average hospital stay of patients is equal to 7.1 days. 3) We did not find enough evidence to say a significant difference exists between the true average hospital stay of patients and 7.1 days. 4) We did not find enough evidence to say the true average hospital stay of patients is shorter than 7.1 days. 5) The true average hospital stay of patients is significantly different from 7.1 days.

Explanation / Answer

p - value is greater than significance level =.05 so, do not reject the null hypotheis.

3) We did not find enough evidence to say a significant difference exists between the true average hospital stay of patients and 7.1 days.

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