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L11 Quiz Group MeetingQuestion 3In previous lessons, we had assumed the population standard deviation σ was known. In this lesson, we are making a different assumption about σ. What has changed?σ is not known. Becca collects a sample of size n = 9 and computes x ¯ = 11 and s = 6.Question 4Is σ known?
L11 Quiz Group MeetingQuestion 5What is the value of t?(Round to 1 decimal point)1.5Use the following values which were pulled from the data file BodyTemp for the next 5 questions. Copy and Paste them into your software. Use the null hypothesis H 0 : μ = 98.6, alternative hypothesis H a : μ < 98.6, and level of significance α = 0.05. 9899.697.897.698.798.498.997.199.297.499.196.998.899.996.89798.797.698.798.2